comparison: finch/libgnt/pygnt/example/rss/gntrss-ui.py
finch/libgnt/pygnt/example/rss/gntrss-ui.py
- changeset 19175
- d6cea4e8560f
- child 19176
- 487103c2e783
equal
deleted
inserted
replaced
| 19174:fdbcb1c0c449 | 19175:d6cea4e8560f |
|---|---|
| 1 #!/usr/bin/env python | |
| 2 | |
| 3 # A very simple and stupid RSS reader | |
| 4 # | |
| 5 # Uses the Universal Feed Parser | |
| 6 # | |
| 7 | |
| 8 import gntrss | |
| 9 import gnt | |
| 10 import gobject | |
| 11 import sys | |
| 12 | |
| 13 __version__ = "0.0.1alpha" | |
| 14 __author__ = "Sadrul Habib Chowdhury (sadrul@pidgin.im)" | |
| 15 __copyright__ = "Copyright 2007, Sadrul Habib Chowdhury" | |
| 16 __license__ = "GPL" # see full license statement below | |
| 17 | |
| 18 gnt.gnt_init() | |
| 19 | |
| 20 class RssTree(gnt.Tree): | |
| 21 __gsignals__ = { | |
| 22 'active_changed' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_OBJECT,)), | |
| 23 'key_pressed' : 'override' | |
| 24 } | |
| 25 | |
| 26 def __init__(self): | |
| 27 self.active = None | |
| 28 gnt.Tree.__init__(self) | |
| 29 | |
| 30 def set_active(self, active): | |
| 31 if self.active == active: | |
| 32 return | |
| 33 if self.active: | |
| 34 self.set_row_flags(self.active, gnt.TEXT_FLAG_NORMAL) | |
| 35 old = self.active | |
| 36 self.active = active | |
| 37 self.set_row_flags(self.active, gnt.TEXT_FLAG_UNDERLINE) | |
| 38 self.emit('active_changed', old) | |
| 39 | |
| 40 def do_key_pressed(self, text): | |
| 41 if text == '\r': | |
| 42 now = self.get_selection_data() | |
| 43 self.set_active(now) | |
| 44 return True | |
| 45 return False | |
| 46 | |
| 47 gobject.type_register(RssTree) | |
| 48 | |
| 49 win = gnt.Box(homo = False, vert = True) | |
| 50 win.set_toplevel(True) | |
| 51 win.set_title("GntRss") | |
| 52 win.set_pad(0) | |
| 53 | |
| 54 # | |
| 55 # [[[ Generic feed/item callbacks | |
| 56 # | |
| 57 def feed_item_added(feed, item): | |
| 58 add_feed_item(item) | |
| 59 | |
| 60 def add_feed(feed): | |
| 61 if not feed.get_data('gntrss-connected'): | |
| 62 feed.connect('added', feed_item_added) | |
| 63 feed.connect('notify', update_feed_title) | |
| 64 feed.set_data('gntrss-connected', True) | |
| 65 feeds.add_row_after(feed, [feed.title, str(feed.unread)], None, None) | |
| 66 | |
| 67 def remove_item(item, feed): | |
| 68 items.remove(item) | |
| 69 | |
| 70 def update_feed_item(item, property): | |
| 71 if property.name == 'unread': | |
| 72 if feeds.active != item.parent: | |
| 73 return | |
| 74 if item.unread: | |
| 75 item.parent.unread = item.parent.unread + 1 | |
| 76 items.set_row_flags(item, gnt.TEXT_FLAG_BOLD) | |
| 77 else: | |
| 78 item.parent.unread = item.parent.unread - 1 | |
| 79 items.set_row_flags(item, gnt.TEXT_FLAG_NORMAL) | |
| 80 item.parent.notify('unread') | |
| 81 | |
| 82 def add_feed_item(item): | |
| 83 currentfeed = feeds.active | |
| 84 if item.parent != currentfeed: | |
| 85 return | |
| 86 items.add_row_after(item, [str(item.title)], None, None) | |
| 87 if item.unread: | |
| 88 items.set_row_flags(item, gnt.TEXT_FLAG_BOLD) | |
| 89 if not item.get_data('gntrss-connected'): | |
| 90 item.set_data('gntrss-connected', True) | |
| 91 item.connect('notify', update_feed_item) | |
| 92 item.connect('delete', remove_item) | |
| 93 | |
| 94 # | |
| 95 # ]]] Generic feed/item callbacks | |
| 96 # | |
| 97 | |
| 98 | |
| 99 #### | |
| 100 # [[[ The list of feeds | |
| 101 ### | |
| 102 | |
| 103 # | |
| 104 # The active row in the feed-list has changed. Update the feed-item table. | |
| 105 def feed_active_changed(tree, old): | |
| 106 items.remove_all() | |
| 107 if not tree.active: | |
| 108 return | |
| 109 for item in tree.active.items: | |
| 110 add_feed_item(item) | |
| 111 | |
| 112 # | |
| 113 # Check for the action keys and decide how to deal with them. | |
| 114 def feed_key_pressed(tree, text): | |
| 115 if text == 'r': | |
| 116 feed = tree.get_selection_data() | |
| 117 tree.perform_action_key('j') | |
| 118 #tree.perform_action('move-down') | |
| 119 feed.refresh() | |
| 120 elif text == 'R': | |
| 121 feeds = tree.get_rows() | |
| 122 for feed in feeds: | |
| 123 feed.refresh() | |
| 124 else: | |
| 125 return False | |
| 126 return True | |
| 127 | |
| 128 feeds = RssTree() | |
| 129 feeds.set_property('columns', 2) | |
| 130 feeds.set_col_width(0, 20) | |
| 131 feeds.set_col_width(1, 4) | |
| 132 feeds.set_column_resizable(0, False) | |
| 133 feeds.set_column_resizable(1, False) | |
| 134 feeds.set_column_is_right_aligned(1, True) | |
| 135 feeds.set_show_separator(False) | |
| 136 | |
| 137 feeds.connect('active_changed', feed_active_changed) | |
| 138 feeds.connect('key_pressed', feed_key_pressed) | |
| 139 | |
| 140 #### | |
| 141 # ]]] The list of feeds | |
| 142 ### | |
| 143 | |
| 144 #### | |
| 145 # [[[ The list of items in the feed | |
| 146 #### | |
| 147 | |
| 148 # | |
| 149 # The active item in the feed-item list has changed. Update the | |
| 150 # summary content. | |
| 151 def item_active_changed(tree, old): | |
| 152 details.clear() | |
| 153 if not tree.active: | |
| 154 return | |
| 155 item = tree.active | |
| 156 details.append_text_with_flags(str(item.title) + "\n", gnt.TEXT_FLAG_BOLD) | |
| 157 details.append_text_with_flags(str(item.summary), gnt.TEXT_FLAG_NORMAL) | |
| 158 details.scroll(0) | |
| 159 if item.unread: | |
| 160 item.set_property('unread', False) | |
| 161 win.give_focus_to_child(browser) | |
| 162 | |
| 163 # | |
| 164 # Look for action keys in the feed-item list. | |
| 165 def item_key_pressed(tree, text): | |
| 166 current = tree.get_selection_data() | |
| 167 if text == 'M': # Mark all of the items 'read' | |
| 168 all = tree.get_rows() | |
| 169 for item in all: | |
| 170 item.unread = False | |
| 171 elif text == 'm': # Mark the current item 'read' | |
| 172 if current.unread: | |
| 173 current.set_property('unread', False) | |
| 174 elif text == 'U': # Mark the current item 'unread' | |
| 175 if not current.unread: | |
| 176 current.set_property('unread', True) | |
| 177 else: | |
| 178 return False | |
| 179 return True | |
| 180 | |
| 181 items = RssTree() | |
| 182 items.set_property('columns', 1) | |
| 183 items.set_col_width(0, 40) | |
| 184 items.connect('key_pressed', item_key_pressed) | |
| 185 items.connect('active_changed', item_active_changed) | |
| 186 | |
| 187 #### | |
| 188 # ]]] The list of items in the feed | |
| 189 #### | |
| 190 | |
| 191 # The container on the top | |
| 192 box = gnt.Box(homo = False, vert = False) | |
| 193 box.set_pad(0) | |
| 194 box.add_widget(feeds) | |
| 195 box.add_widget(items) | |
| 196 | |
| 197 win.add_widget(box) | |
| 198 | |
| 199 win.add_widget(gnt.Line(vertical = False)) | |
| 200 | |
| 201 # The textview to show the details of a feed | |
| 202 details = gnt.TextView() | |
| 203 | |
| 204 win.add_widget(details) | |
| 205 | |
| 206 browser = gnt.Button("Open in Browser") | |
| 207 win.add_widget(browser) | |
| 208 details.attach_scroll_widget(browser) | |
| 209 | |
| 210 win.show() | |
| 211 | |
| 212 def update_feed_title(feed, property): | |
| 213 if property.name == 'title': | |
| 214 feeds.change_text(feed, 0, feed.title) | |
| 215 elif property.name == 'unread': | |
| 216 feeds.change_text(feed, 1, str(feed.unread)) | |
| 217 | |
| 218 # populate everything | |
| 219 for feed in gntrss.feeds: | |
| 220 add_feed(feed) | |
| 221 | |
| 222 gnt.gnt_main() | |
| 223 | |
| 224 gnt.gnt_quit() | |
| 225 |
