--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/finch/libgnt/pygnt/example/rss/gntrss-ui.py Sat Jul 28 11:30:54 2007 +0000
@@ -0,0 +1,225 @@
+#!/usr/bin/env python
+
+# A very simple and stupid RSS reader
+#
+# Uses the Universal Feed Parser
+#
+
+import gntrss
+import gnt
+import gobject
+import sys
+
+__version__ = "0.0.1alpha"
+__author__ = "Sadrul Habib Chowdhury (sadrul@pidgin.im)"
+__copyright__ = "Copyright 2007, Sadrul Habib Chowdhury"
+__license__ = "GPL" # see full license statement below
+
+gnt.gnt_init()
+
+class RssTree(gnt.Tree):
+ __gsignals__ = {
+ 'active_changed' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_OBJECT,)),
+ 'key_pressed' : 'override'
+ }
+
+ def __init__(self):
+ self.active = None
+ gnt.Tree.__init__(self)
+
+ def set_active(self, active):
+ if self.active == active:
+ return
+ if self.active:
+ self.set_row_flags(self.active, gnt.TEXT_FLAG_NORMAL)
+ old = self.active
+ self.active = active
+ self.set_row_flags(self.active, gnt.TEXT_FLAG_UNDERLINE)
+ self.emit('active_changed', old)
+
+ def do_key_pressed(self, text):
+ if text == '\r':
+ now = self.get_selection_data()
+ self.set_active(now)
+ return True
+ return False
+
+gobject.type_register(RssTree)
+
+win = gnt.Box(homo = False, vert = True)
+win.set_toplevel(True)
+win.set_title("GntRss")
+win.set_pad(0)
+
+#
+# [[[ Generic feed/item callbacks
+#
+def feed_item_added(feed, item):
+ add_feed_item(item)
+
+def add_feed(feed):
+ if not feed.get_data('gntrss-connected'):
+ feed.connect('added', feed_item_added)
+ feed.connect('notify', update_feed_title)
+ feed.set_data('gntrss-connected', True)
+ feeds.add_row_after(feed, [feed.title, str(feed.unread)], None, None)
+
+def remove_item(item, feed):
+ items.remove(item)
+
+def update_feed_item(item, property):
+ if property.name == 'unread':
+ if feeds.active != item.parent:
+ return
+ if item.unread:
+ item.parent.unread = item.parent.unread + 1
+ items.set_row_flags(item, gnt.TEXT_FLAG_BOLD)
+ else:
+ item.parent.unread = item.parent.unread - 1
+ items.set_row_flags(item, gnt.TEXT_FLAG_NORMAL)
+ item.parent.notify('unread')
+
+def add_feed_item(item):
+ currentfeed = feeds.active
+ if item.parent != currentfeed:
+ return
+ items.add_row_after(item, [str(item.title)], None, None)
+ if item.unread:
+ items.set_row_flags(item, gnt.TEXT_FLAG_BOLD)
+ if not item.get_data('gntrss-connected'):
+ item.set_data('gntrss-connected', True)
+ item.connect('notify', update_feed_item)
+ item.connect('delete', remove_item)
+
+#
+# ]]] Generic feed/item callbacks
+#
+
+
+####
+# [[[ The list of feeds
+###
+
+#
+# The active row in the feed-list has changed. Update the feed-item table.
+def feed_active_changed(tree, old):
+ items.remove_all()
+ if not tree.active:
+ return
+ for item in tree.active.items:
+ add_feed_item(item)
+
+#
+# Check for the action keys and decide how to deal with them.
+def feed_key_pressed(tree, text):
+ if text == 'r':
+ feed = tree.get_selection_data()
+ tree.perform_action_key('j')
+ #tree.perform_action('move-down')
+ feed.refresh()
+ elif text == 'R':
+ feeds = tree.get_rows()
+ for feed in feeds:
+ feed.refresh()
+ else:
+ return False
+ return True
+
+feeds = RssTree()
+feeds.set_property('columns', 2)
+feeds.set_col_width(0, 20)
+feeds.set_col_width(1, 4)
+feeds.set_column_resizable(0, False)
+feeds.set_column_resizable(1, False)
+feeds.set_column_is_right_aligned(1, True)
+feeds.set_show_separator(False)
+
+feeds.connect('active_changed', feed_active_changed)
+feeds.connect('key_pressed', feed_key_pressed)
+
+####
+# ]]] The list of feeds
+###
+
+####
+# [[[ The list of items in the feed
+####
+
+#
+# The active item in the feed-item list has changed. Update the
+# summary content.
+def item_active_changed(tree, old):
+ details.clear()
+ if not tree.active:
+ return
+ item = tree.active
+ details.append_text_with_flags(str(item.title) + "\n", gnt.TEXT_FLAG_BOLD)
+ details.append_text_with_flags(str(item.summary), gnt.TEXT_FLAG_NORMAL)
+ details.scroll(0)
+ if item.unread:
+ item.set_property('unread', False)
+ win.give_focus_to_child(browser)
+
+#
+# Look for action keys in the feed-item list.
+def item_key_pressed(tree, text):
+ current = tree.get_selection_data()
+ if text == 'M': # Mark all of the items 'read'
+ all = tree.get_rows()
+ for item in all:
+ item.unread = False
+ elif text == 'm': # Mark the current item 'read'
+ if current.unread:
+ current.set_property('unread', False)
+ elif text == 'U': # Mark the current item 'unread'
+ if not current.unread:
+ current.set_property('unread', True)
+ else:
+ return False
+ return True
+
+items = RssTree()
+items.set_property('columns', 1)
+items.set_col_width(0, 40)
+items.connect('key_pressed', item_key_pressed)
+items.connect('active_changed', item_active_changed)
+
+####
+# ]]] The list of items in the feed
+####
+
+# The container on the top
+box = gnt.Box(homo = False, vert = False)
+box.set_pad(0)
+box.add_widget(feeds)
+box.add_widget(items)
+
+win.add_widget(box)
+
+win.add_widget(gnt.Line(vertical = False))
+
+# The textview to show the details of a feed
+details = gnt.TextView()
+
+win.add_widget(details)
+
+browser = gnt.Button("Open in Browser")
+win.add_widget(browser)
+details.attach_scroll_widget(browser)
+
+win.show()
+
+def update_feed_title(feed, property):
+ if property.name == 'title':
+ feeds.change_text(feed, 0, feed.title)
+ elif property.name == 'unread':
+ feeds.change_text(feed, 1, str(feed.unread))
+
+# populate everything
+for feed in gntrss.feeds:
+ add_feed(feed)
+
+gnt.gnt_main()
+
+gnt.gnt_quit()
+