diff options
Diffstat (limited to 'epubview/epubview.py')
| -rw-r--r-- | epubview/epubview.py | 172 |
1 files changed, 86 insertions, 86 deletions
diff --git a/epubview/epubview.py b/epubview/epubview.py index 595eb20..e9cc276 100644 --- a/epubview/epubview.py +++ b/epubview/epubview.py @@ -37,20 +37,20 @@ class _View(gtk.HBox): __gproperties__ = { 'has-selection' : (gobject.TYPE_BOOLEAN, 'whether has selection', 'whether the widget has selection or not', - 0, gobject.PARAM_READABLE), + 0, gobject.PARAM_READABLE), 'zoom' : (gobject.TYPE_FLOAT, 'the zoom level', 'the zoom level of the widget', 0.5, 4.0, 1.0, gobject.PARAM_READWRITE) - } + } __gsignals__ = { 'page-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) - } + } def __init__(self): gobject.threads_init() gtk.HBox.__init__(self) - + self.connect("destroy", self._destroy_cb) self._ready = False @@ -68,7 +68,7 @@ class _View(gtk.HBox): self._findjob = None self.__in_search = False self.__search_fwd = True - + self._sw = gtk.ScrolledWindow() self._view = widgets._WebView() self._view.load_string(LOADING_HTML, 'text/html', 'utf-8', '/') @@ -82,7 +82,7 @@ class _View(gtk.HBox): self._view.connect('button-release-event', self._view_buttonrelease_event_cb) self._view.connect('selection-changed', self._view_selection_changed_cb) self._view.connect_after('populate-popup', self._view_populate_popup_cb) - + self._sw.add(self._view) self._sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_NEVER) self._v_vscrollbar = self._sw.get_vscrollbar() @@ -94,13 +94,13 @@ class _View(gtk.HBox): self._scrollbar_change_value_cb) self.pack_start(self._sw, expand = True, fill = True) self.pack_start(self._scrollbar, expand = False, fill = False) - - self._view.set_flags(gtk.CAN_DEFAULT|gtk.CAN_FOCUS) - + + self._view.set_flags(gtk.CAN_DEFAULT|gtk.CAN_FOCUS) + def set_document(self, epubdocumentinstance): ''' Sets document (should be a Epub instance) - ''' + ''' self._epub = epubdocumentinstance gobject.idle_add(self._paginate) @@ -117,29 +117,29 @@ class _View(gtk.HBox): self.__set_zoom(value) else: raise AttributeError, 'unknown property %s' % property.name - + def get_has_selection(self): ''' Returns True if any part of the content is selected - ''' + ''' return self.get_property('has-selection') - + def get_zoom(self): ''' Returns the current zoom level - ''' + ''' return self.get_property('zoom') - + def set_zoom(self, value): ''' Sets the current zoom level - ''' + ''' self.set_property('zoom', value) - + def zoom_in(self): ''' Zooms in (increases zoom level by 0.1) - ''' + ''' if self.can_zoom_in(): self.set_zoom(self.get_zoom() + 0.1) return True @@ -149,17 +149,17 @@ class _View(gtk.HBox): def zoom_out(self): ''' Zooms out (decreases zoom level by 0.1) - ''' + ''' if self.can_zoom_out(): self.set_zoom(self.get_zoom() - 0.1) return True else: return False - + def can_zoom_in(self): ''' Returns True if it is possible to zoom in further - ''' + ''' if self.zoom < 4: return True else: @@ -168,58 +168,58 @@ class _View(gtk.HBox): def can_zoom_out(self): ''' Returns True if it is possible to zoom out further - ''' + ''' if self.zoom > 0.5: return True else: return False - + def get_current_page(self): ''' Returns the currently loaded page - ''' + ''' return self._loaded_page - + def get_current_file(self): ''' Returns the currently loaded XML file - ''' + ''' #return self._loaded_filename - if self._paginator: + if self._paginator: return self._paginator.get_file_for_pageno(self._loaded_page) else: return None - + def get_pagecount(self): ''' Returns the pagecount of the loaded file - ''' + ''' return self._pagecount - + def set_current_page(self, n): ''' Loads page number n - ''' + ''' if n < 1 or n > self._pagecount: return False self._load_page(n) return True - + def next_page(self): ''' Loads next page if possible Returns True if transition to next page is possible and done - ''' + ''' if self._loaded_page == self._pagecount: return False self._load_next_page() return True - + def previous_page(self): ''' Loads previous page if possible Returns True if transition to previous page is possible and done - ''' + ''' if self._loaded_page == 1: return False self._load_prev_page() @@ -229,8 +229,8 @@ class _View(gtk.HBox): ''' Scrolls through the pages. Scrolling is horizontal if horizontal is set to True - Valid scrolltypes are: gtk.SCROLL_PAGE_BACKWARD and gtk.SCROLL_PAGE_FORWARD - ''' + Valid scrolltypes are: gtk.SCROLL_PAGE_BACKWARD and gtk.SCROLL_PAGE_FORWARD + ''' if scrolltype == gtk.SCROLL_PAGE_BACKWARD: self.__going_back = True self.__going_fwd = False @@ -243,17 +243,17 @@ class _View(gtk.HBox): self._view.move_cursor(gtk.MOVEMENT_PAGES, 1) else: print ('Got unsupported scrolltype %s' % str(scrolltype)) - + def copy(self): ''' Copies the current selection to clipboard. - ''' + ''' self._view.copy_clipboard() - + def find_next(self): ''' Highlights the next matching item for current search - ''' + ''' self._view.grab_focus() self._view.grab_default() @@ -265,11 +265,11 @@ class _View(gtk.HBox): self.__in_search = True self.__search_fwd = True self._load_file(path) - + def find_previous(self): ''' Highlights the previous matching item for current search - ''' + ''' self._view.grab_focus() self._view.grab_default() @@ -289,39 +289,39 @@ class _View(gtk.HBox): #self._view.search_text(self._findjob.get_search_text(), \ # self._findjob.get_case_sensitive(), True, False) self.find_next() - + def __set_zoom(self, value): self._view.set_zoom_level(value) self.zoom = value - + def __set_has_selection(self, value): if value != self.has_selection: self.has_selection = value self.notify('has-selection') - + def _view_populate_popup_cb(self, view, menu): menu.destroy() #HACK return - + def _view_selection_changed_cb(self, view): - # FIXME: This does not seem to be implemented in + # FIXME: This does not seem to be implemented in # webkitgtk yet print view.has_selection() - + def _view_buttonrelease_event_cb(self, view, event): # Ugly hack self.__set_has_selection(view.can_copy_clipboard() \ | view.can_cut_clipboard()) - + def _view_keypress_event_cb(self, view, event): name = gtk.gdk.keyval_name(event.keyval) - if name == 'Page_Down' or name == 'Down': + if name == 'Page_Down' or name == 'Down': self.__going_back = False self.__going_fwd = True elif name == 'Page_Up' or name == 'Up': self.__going_back = True self.__going_fwd = False - + self._do_page_transition() def _view_scroll_event_cb(self, view, event): @@ -332,8 +332,8 @@ class _View(gtk.HBox): self.__going_back = True self.__going_fwd = False - self._do_page_transition() - + self._do_page_transition() + def _do_page_transition(self): if self.__going_fwd: if self._v_vscrollbar.get_value() >= \ @@ -345,32 +345,32 @@ class _View(gtk.HBox): if self._v_vscrollbar.get_value() == self._v_vscrollbar.props.adjustment.props.lower: self._load_prev_file() return True - + return False - + def _view_load_finished_cb(self, v, frame): - - # Normally the line below would not be required - ugly workaround for + + # Normally the line below would not be required - ugly workaround for # possible Webkit bug. See : https://bugs.launchpad.net/bugs/483231 self._sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_NEVER) - + filename = self._view.props.uri.replace('file://', '') if os.path.exists(filename.replace('xhtml', 'xml')): filename = filename.replace('xhtml', 'xml') # Hack for making javascript work - + filename = filename.split('#')[0] # Get rid of anchors - + if self._loaded_page < 1 or filename == None: return False - + self._loaded_filename = filename - + remfactor = self._paginator.get_remfactor_for_file(filename) pages = self._paginator.get_pagecount_for_file(filename) extra = int(math.ceil(remfactor * self._view.get_page_height()/(pages-remfactor))) if extra > 0: self._view.add_bottom_padding(extra) - + if self.__in_search: self._view.search_text(self._findjob.get_search_text(), \ self._findjob.get_case_sensitive(), \ @@ -382,7 +382,7 @@ class _View(gtk.HBox): self._scroll_page_end() else: self._scroll_page() - + base_pageno = self._paginator.get_base_pageno_for_file(filename) scrollval = self._v_vscrollbar.get_value() scroll_upper = self._v_vscrollbar.props.adjustment.props.upper @@ -392,39 +392,39 @@ class _View(gtk.HBox): else: offset = (scrollval/scroll_upper) * self._paginator.get_pagecount_for_file(filename) pageno = math.floor(base_pageno + offset) - + if pageno != self._loaded_page: self._on_page_changed(int(pageno)) - + def _scroll_page_end(self): v_upper = self._v_vscrollbar.props.adjustment.props.upper v_page_size = self._v_vscrollbar.props.adjustment.props.page_size self._v_vscrollbar.set_value(v_upper) - + def _scroll_page(self): pageno = self._loaded_page - + v_upper = self._v_vscrollbar.props.adjustment.props.upper v_page_size = self._v_vscrollbar.props.adjustment.props.page_size - + scrollfactor = self._paginator.get_scrollfactor_pos_for_pageno(pageno) self._v_vscrollbar.set_value((v_upper - v_page_size) * scrollfactor) - + def _paginate(self): filelist = [] for i in self._epub._navmap.get_flattoc(): filelist.append(os.path.join(self._epub._tempdir, i)) - + self._paginator = _Paginator(filelist) self._paginator.connect('paginated', self._paginated_cb) - + def _load_next_page(self): self._load_page(self._loaded_page + 1) def _load_prev_page(self): self._load_page(self._loaded_page - 1) - + def _v_scrollbar_value_changed_cb(self, scrollbar): if self._loaded_page < 1: return @@ -457,7 +457,7 @@ class _View(gtk.HBox): if scrollfactor <= scrollfactor_cur: self._on_page_changed(self._loaded_page - 1) - + def _on_page_changed(self, pageno): self.__page_changed = True self._loaded_page = pageno @@ -465,7 +465,7 @@ class _View(gtk.HBox): self._scrollbar.set_value(pageno) self._scrollbar.handler_unblock(self._scrollbar_change_value_cb_id) self.emit('page-changed') - + def _load_page(self, pageno): if pageno > self._pagecount or pageno < 1: #TODO: Cause an exception @@ -483,7 +483,7 @@ class _View(gtk.HBox): self._view.open(filename) else: self._scroll_page() - + def _load_next_file(self): if self._loaded_page == self._pagecount: return @@ -493,7 +493,7 @@ class _View(gtk.HBox): pageno += 1 if self._paginator.get_file_for_pageno(pageno) != cur_file: break - + self._load_page(pageno) def _load_file(self, path): @@ -513,7 +513,7 @@ class _View(gtk.HBox): pageno -= 1 if self._paginator.get_file_for_pageno(pageno) != cur_file: break - + self._load_page(pageno) def _scrollbar_change_value_cb(self, range, scrolltype, value): @@ -526,7 +526,7 @@ class _View(gtk.HBox): self.__going_fwd = False self.__going_back = True if not self._do_page_transition(): - self._view.move_cursor(gtk.MOVEMENT_DISPLAY_LINES, -1) + self._view.move_cursor(gtk.MOVEMENT_DISPLAY_LINES, -1) elif scrolltype == gtk.SCROLL_JUMP or \ scrolltype == gtk.SCROLL_PAGE_FORWARD or \ scrolltype == gtk.SCROLL_PAGE_BACKWARD: @@ -536,18 +536,18 @@ class _View(gtk.HBox): self._load_page(round(value)) else: print 'Warning: unknown scrolltype %s with value %f' % (str(scrolltype), value) - + self._scrollbar.set_value(self._loaded_page) #FIXME: This should not be needed here - + if self.__page_changed == True: self.__page_changed = False return False else: return True - + def _paginated_cb(self, object): self._ready = True - + self._pagecount = self._paginator.get_total_pagecount() self._scrollbar.set_range(1.0, self._pagecount - 1.0) self._scrollbar.set_increments(1.0, 1.0) @@ -555,8 +555,8 @@ class _View(gtk.HBox): self._view.grab_default() if self._loaded_page < 1: self._load_page(1) - - + + def _destroy_cb(self, widget): self._epub.close() |