Source Code for Module icaro-bloques.navegador'

  1  #!/usr/bin/python 
  2  # -*- coding: utf-8 -*- 
  3   
  4  # This program is free software: you can redistribute it and/or modify 
  5  # it under the terms of the GNU General Public License as published by 
  6  # the Free Software Foundation, either version 3 of the License, or 
  7  # (at your option) any later version. 
  8  # 
  9  # This program is distributed in the hope that it will be useful, 
 10  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
 11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 12  # GNU General Public License for more details. 
 13   
 14  import sys, re 
 15  import gtk, gobject 
 16  import webkit 
 17  DEFAULT_URL = sys.path[0]+'/documentos/publican/manual_np05/tmp/es-ES/html/index.html' 
 18 -class SimpleBrowser: # needs GTK, Python, Webkit-GTK 
 19      tam=1 
 20 -    def __init__(self): 
 21          self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) 
 22          self.window.set_position(gtk.WIN_POS_CENTER_ALWAYS) 
 23          self.window.connect('delete_event', self.close_application) 
 24          self.window.set_default_size(750, 500) 
 25          vbox = gtk.VBox(spacing=5) 
 26          vbox.set_border_width(5) 
 27          self.txt_url = gtk.Entry() 
 28          self.txt_url.connect('activate', self._txt_url_activate) 
 29  #~ 
 30          # Genero una barra de herramientas 
 31          toolbar = gtk.HBox(spacing=5) 
 32          vbox.pack_start(toolbar,False,False) 
 33  #~ 
 34          # Agrego el boton "Atras" 
 35          self.btnback = gtk.Button() 
 36          self.btnback.add(gtk.Arrow(gtk.ARROW_LEFT,gtk.SHADOW_OUT)) 
 37          self.btnback.connect('clicked',self._go_back) 
 38          toolbar.pack_start(self.btnback,False,False) 
 39          # Agrego el boton de "Ir" 
 40          button = gtk.Button('Inicio') 
 41          button.connect('clicked',self._open_bar_url) 
 42          toolbar.pack_start(button,False,False) 
 43          # Agrego el boton "Adelante" 
 44          self.btnforward = gtk.Button() 
 45          self.btnforward.add(gtk.Arrow(gtk.ARROW_RIGHT,gtk.SHADOW_OUT)) 
 46          self.btnforward.connect('clicked',self._go_forward) 
 47          toolbar.pack_start(self.btnforward,False,False) 
 48          # Agrego el boton de "close" 
 49          button = gtk.Button('salir') 
 50          button.connect('clicked',self.close) 
 51          toolbar.pack_start(button,False,False) 
 52          # Agrego el boton de "zoom" 
 53          button = gtk.Button('Aumentar') 
 54          button.connect('clicked',self.zoom,1) 
 55          toolbar.pack_start(button,False,False) 
 56          button = gtk.Button('Disminuir') 
 57          button.connect('clicked',self.zoom,-1) 
 58          toolbar.pack_start(button,False,False) 
 59          #~ # Agrego el boton "Actualizar" 
 60          #~ btnrefresh = gtk.Button('Actualizar') 
 61          #~ btnrefresh.connect('clicked',self._refresh) 
 62          #~ toolbar.pack_start(btnrefresh,False,False) 
 63  #~ 
 64          #~ # Agrego la barra de direcciones 
 65          #~ self.text = gtk.Entry() 
 66          #~ self.text.connect('activate',self._open_bar_url) 
 67          #~ toolbar.pack_start(self.text,True,True) 
 68  #~ 
 69   
 70   
 71          # Agrego el renderer del motor 
 72          self.scrolled_window = gtk.ScrolledWindow() 
 73          self.webview = webkit.WebView() 
 74          self.scrolled_window.add(self.webview) 
 75          vbox.pack_start(self.scrolled_window, fill=True, expand=True) 
 76          self.window.add(vbox) 
 77   
 78          # Agrego un alinea de estado, con una etiqueta y una barra de progreso 
 79          self.pbar = gtk.ProgressBar() 
 80          self.status = gtk.Label() 
 81          hbox2 = gtk.HBox(False,0) 
 82          hbox2.pack_start(self.status,False,False) 
 83          hbox2.pack_end(self.pbar,False,False) 
 84          vbox.pack_start(hbox2,False,True) 
 85   
 86          # Defino las acciones a realizar segun los eventos del motor html 
 87          self.webview.connect('load-started',self._load_start) 
 88          self.webview.connect('load-progress-changed',self._load_progress_changed) 
 89          self.webview.connect('load-finished',self._load_finished) 
 90          self.webview.connect('title-changed',self._title_changed) 
 91          self.webview.connect('hovering-over-link',self._hover_link) 
 92   
 93 -    def _open_bar_url(self, nada): 
 94          self.open(DEFAULT_URL) 
 95 -    def _txt_url_activate(self, entry): 
 96          self._load(entry.get_text()) 
 97 -    def _load(self, url): 
 98          self.webview.open(url) 
 99 -    def open(self, url): 
100          # Si la url no tiene el http:// adelante, se lo agrego 
101          #~ if url[0:7] != "http://": 
102              #~ url = "http://"+url 
103          self.txt_url.set_text(url) 
104          self._load(url) 
105 -    def show(self): 
106          self.window.show_all() 
107   
108 -    def zoom(self,b,c): 
109          self.tam +=c 
110          self.webview.set_zoom_level(self.tam) 
111          if self.tam<=0: 
112              self.tam==0 
113 -    def close(self,arg): 
114          #~ gtk.main_quit() 
115          self.window.hide() 
116 -    def close_application(self, widget, event, data=None): 
117          #~ gtk.main_quit() 
118          self.window.hide() 
119 -    def _load_start(self, view, nadas): 
120          self.status.set_text('Cargando...') 
121          self.pbar.set_fraction(0) 
122 -    def _load_progress_changed(self, view, prog): 
123          self.pbar.set_fraction(prog/100.0) 
124 -    def _load_finished(self, view, nada): 
125          self.pbar.set_fraction(0) 
126          self.status.set_text('Listo') 
127 -    def _go_back(self,nada): 
128          self.webview.go_back() 
129 -    def _go_forward(self,nada): 
130          self.webview.go_forward() 
131 -    def _refresh(self,nada): 
132          self.webview.reload() 
133 -    def _title_changed(self,view,frame,title): 
134          # Actualizo el titulo del navegador, la url en la barra de url y activo/desactivo los botones Adelante y Atras 
135          self.window.set_title('%s' % title) 
136          #self.text.set_text(frame.get_uri()) 
137          self.btnback.props.sensitive = self.webview.can_go_back() 
138          self.btnforward.props.sensitive = self.webview.can_go_forward() 
139 -    def _hover_link(self,view,frame,url): 
140          # Si se hace hover sobre un link, pongo en la barra de estado la url hacia la que linkea 
141          if view and url: 
142              self.status.set_text(url) 
143          else: 
144              self.status.set_text("") 
145   
146  #~ if __name__ == '__main__': 
147      #~ if len(sys.argv) > 1: 
148          #~ url = sys.argv[1] 
149      #~ else: 
150          #~ url = DEFAULT_URL 
151  #~ gtk.gdk.threads_init() 
152  #~ browser = SimpleBrowser() 
153  #~ browser.open(url) 
154  #~ browser.show() 
155  #~ gtk.main() 
156