Python gtk.main_iteration() Examples

def __init__(self, useGtk=True):
        self._simtag = None
        self._reads = set()
        self._writes = set()
        self._sources = {}
        posixbase.PosixReactorBase.__init__(self)
        # pre 2.3.91 the glib iteration and mainloop functions didn't release
        # global interpreter lock, thus breaking thread and signal support.
        if getattr(gobject, "pygtk_version", ()) >= (2, 3, 91) and not useGtk:
            self.context = gobject.main_context_default()
            self.__pending = self.context.pending
            self.__iteration = self.context.iteration
            self.loop = gobject.MainLoop()
            self.__crash = self.loop.quit
            self.__run = self.loop.run
        else:
            import gtk
            self.__pending = gtk.events_pending
            self.__iteration = gtk.main_iteration
            self.__crash = _our_mainquit
            self.__run = gtk.main 

def __init__(self, layer_tree, settings):
    self._layer_tree = layer_tree
    self._settings = settings
    
    self._image = self._layer_tree.image
    self._layer_exporter = None
    
    self._settings.load([pg.config.SESSION_SOURCE])
    
    self._init_gui()
    
    pg.gui.set_gui_excepthook_parent(self._dialog)
    
    gtk.main_iteration()
    self.show()
    self.export_layers() 

def handle_gui_in_export(run_mode, image, layer, output_filepath, window):
  should_manipulate_window = run_mode == gimpenums.RUN_INTERACTIVE
  
  if should_manipulate_window:
    window_position = window.get_position()
    window.hide()
  while gtk.events_pending():
    gtk.main_iteration()
  
  try:
    yield
  finally:
    if should_manipulate_window:
      window.move(*window_position)
      window.show()
    while gtk.events_pending():
      gtk.main_iteration() 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def _get_drag_icon_pixbuf(self, widget, scrolled_window):
    if widget.get_window() is None:
      return
    
    if (scrolled_window is not None
        and self._are_items_partially_hidden_because_of_visible_horizontal_scrollbar(
              scrolled_window)):
      return None
    
    self._setup_widget_to_add_border_to_drag_icon(widget)
    
    while gtk.events_pending():
      gtk.main_iteration()
    
    widget_allocation = widget.get_allocation()
    
    pixbuf = gtk.gdk.Pixbuf(
      gtk.gdk.COLORSPACE_RGB,
      False,
      8,
      widget_allocation.width,
      widget_allocation.height)
    
    drag_icon_pixbuf = pixbuf.get_from_drawable(
      widget.get_window(),
      widget.get_colormap(),
      0,
      0,
      0,
      0,
      widget_allocation.width,
      widget_allocation.height)
    
    self._restore_widget_after_creating_drag_icon(widget)
    
    return drag_icon_pixbuf 

def _progress_set_fraction(self, fraction):
    self._progress_bar.set_fraction(fraction)
    while gtk.events_pending():
      gtk.main_iteration() 

def _progress_set_value_and_show_dialog(self, fraction):
    self._progress_bar.set_fraction(fraction)
    
    # Without this workaround, the main dialog would not appear until the export
    # of the second layer.
    if not self._dialog.get_mapped():
      self._dialog.show()
    
    while gtk.events_pending():
      gtk.main_iteration() 

def _finish_init_and_show(self):
    while gtk.events_pending():
      gtk.main_iteration()
    
    self._dialog.vbox.show_all()
    self._show_hide_more_settings()
    
    self._dialog.set_focus(self._file_extension_entry)
    self._button_export.grab_default()
    # Place the cursor at the end of the text entry.
    self._file_extension_entry.set_position(-1)
    
    self._dialog.show() 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def __init__(self, useGtk=True):
        self.context = gobject.main_context_default()
        self.loop = gobject.MainLoop()
        posixbase.PosixReactorBase.__init__(self)
        # pre 2.3.91 the glib iteration and mainloop functions didn't release
        # global interpreter lock, thus breaking thread and signal support.
        if (hasattr(gobject, "pygtk_version") and gobject.pygtk_version >= (2, 3, 91)
            and not useGtk):
            self.__pending = self.context.pending
            self.__iteration = self.context.iteration
            self.__crash = self.loop.quit
            self.__run = self.loop.run
        else:
            import gtk
            self.__pending = gtk.events_pending
            self.__iteration = gtk.main_iteration
            self.__crash = _our_mainquit
            self.__run = gtk.main

    # The input_add function in pygtk1 checks for objects with a
    # 'fileno' method and, if present, uses the result of that method
    # as the input source. The pygtk2 input_add does not do this. The
    # function below replicates the pygtk1 functionality.

    # In addition, pygtk maps gtk.input_add to _gobject.io_add_watch, and
    # g_io_add_watch() takes different condition bitfields than
    # gtk_input_add(). We use g_io_add_watch() here in case pygtk fixes this
    # bug. 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True 

def closetab(self, widget, label):
        """Close a tab"""
        tabnum = None
        try:
            nb = widget.notebook
        except AttributeError:
            err('TabLabel::closetab: called on non-Notebook: %s' % widget)
            return

        for i in xrange(0, nb.get_n_pages() + 1):
            if label == nb.get_tab_label(nb.get_nth_page(i)):
                tabnum = i
                break

        if tabnum is None:
            err('TabLabel::closetab: %s not in %s. Bailing.' % (label, nb))
            return

        maker = Factory()
        child = nb.get_nth_page(tabnum)

        if maker.isinstance(child, 'Terminal'):
            dbg('Notebook::closetab: child is a single Terminal')
            child.close()
            # FIXME: We only do this del and return here to avoid removing the
            # page below, which child.close() implicitly does
            del(label)
            return
        elif maker.isinstance(child, 'Container'):
            dbg('Notebook::closetab: child is a Container')
            dialog = self.construct_confirm_close(self.window, _('tab'))
            result = dialog.run()
            dialog.destroy()

            if result == gtk.RESPONSE_ACCEPT:
                containers = None
                objects = None
                containers, objects = enumerate_descendants(child)

                while len(objects) > 0:
                    descendant = objects.pop()
                    descendant.close()
                    while gtk.events_pending():
                        gtk.main_iteration()
                return
            else:
                dbg('Notebook::closetab: user cancelled request')
                return
        else:
            err('Notebook::closetab: child is unknown type %s' % child)
            return

        nb.remove_page(tabnum)
        del(label) 

def take_screenshots(gui, dialog, settings):
  pg.path.make_dirs(OUTPUT_DIRPATH)
  
  settings["gui_session/current_directory"].set_value(OUTPUT_DIRPATH)
  settings["gui/show_more_settings"].set_value(False)
  
  decoration_offsets = move_dialog_to_corner(dialog, settings)
  
  #HACK: Accessing private members
  gui._name_preview.set_selected_items(set([
    gui._name_preview._layer_exporter.layer_tree["main-background"].item.ID]))
  
  dialog.set_focus(gui._name_preview.tree_view)
  
  while gtk.events_pending():
    gtk.main_iteration()
  
  take_and_process_screenshot(
    SCREENSHOTS_DIRPATH,
    SCREENSHOT_DIALOG_BASIC_USAGE_FILENAME,
    settings,
    decoration_offsets)
  
  settings["gui/show_more_settings"].set_value(True)
  
  operations.clear(settings["main/procedures"])
  operations.clear(settings["main/constraints"])
  
  operations.add(
    settings["main/procedures"],
    builtin_procedures.BUILTIN_PROCEDURES["insert_background_layers"])
  operations.reorder(
    settings["main/procedures"], "insert_background_layers", 0)
  settings["main/procedures/added/use_layer_size/enabled"].set_value(False)
  
  operations.add(
    settings["main/constraints"],
    builtin_constraints.BUILTIN_CONSTRAINTS["only_layers_without_tags"])
  
  while gtk.events_pending():
    gtk.main_iteration()
  
  #HACK: Accessing private members
  gui._name_preview.set_selected_items(set([
    gui._name_preview._layer_exporter.layer_tree["bottom-frame"].item.ID]))
  
  while gtk.events_pending():
    gtk.main_iteration()
  
  take_and_process_screenshot(
    SCREENSHOTS_DIRPATH,
    SCREENSHOT_DIALOG_CUSTOMIZING_EXPORT_FILENAME,
    settings,
    decoration_offsets)
  
  gtk.main_quit() 

def on_terminal_keypress(self, widget, event, *args):
        if shortcuts.has_key(get_key_name(event)):
            cmd = shortcuts[get_key_name(event)]
            if type(cmd) == list:
                #comandos predefinidos
                if cmd == _COPY:
                    self.terminal_copy(widget)
                elif cmd == _PASTE:
                    self.terminal_paste(widget)
                elif cmd == _COPY_ALL:
                    self.terminal_copy_all(widget)
                elif cmd == _SAVE:
                    self.show_save_buffer(widget)
                elif cmd == _FIND:
                    self.get_widget('txtSearch').select_region(0, -1)
                    self.get_widget('txtSearch').grab_focus()
                elif cmd == _FIND_NEXT:
                    if hasattr(self, 'search'):
                        self.find_word()
                elif cmd == _CLEAR:
                   widget.reset(True, True)
                elif cmd == _FIND_BACK:
                    if hasattr(self, 'search'):
                        self.find_word(backwards=True)
                elif cmd == _CONSOLE_PREV:
                    widget.get_parent().get_parent().prev_page()
                elif cmd == _CONSOLE_NEXT:
                    widget.get_parent().get_parent().next_page()
                elif cmd == _CONSOLE_CLOSE:
                    wid = widget.get_parent()                    
                    page = widget.get_parent().get_parent().page_num(wid)                    
                    if page != -1:
                        widget.get_parent().get_parent().remove_page(page)
                        wid.destroy()
                elif cmd == _CONSOLE_RECONNECT:                    
                    if not hasattr(widget, "command"):
                        widget.fork_command(SHELL)
                    else:
                        widget.fork_command(widget.command[0], widget.command[1])
                        while gtk.events_pending():
                            gtk.main_iteration(False)                                
                            
                        #esperar 2 seg antes de enviar el pass para dar tiempo a que se levante expect y prevenir que se muestre el pass
                        if widget.command[2]!=None and widget.command[2]!='':
                            gobject.timeout_add(2000, self.send_data, widget, widget.command[2])                    
                    widget.get_parent().get_parent().get_tab_label(widget.get_parent()).mark_tab_as_active()
                    return True
                elif cmd == _CONNECT:
                    self.on_btnConnect_clicked(None)
                elif cmd[0][0:8] == "console_":
                    page = int(cmd[0][8:]) - 1                   
                    widget.get_parent().get_parent().set_current_page(page)                
            else:
                #comandos del usuario
                widget.feed_child(cmd)
                
            return True
        return False