ocarina: Added shortcut famework

Now to add more shortcuts...

ocarina/body/header/entry.py

@@ -2,10 +2,15 @@
 
 import gtk
 import ocarina
+from ocarina import shortcuts
 
 entry = gtk.Entry()
 entry.show()
 
+has_focus = entry.is_focus
+
 def do_filter(entry):
 	ocarina.body.cur_page_filter(entry.get_text())
 entry.connect("changed", do_filter)
+
+shortcuts.register_shortcut("slash", entry.grab_focus)

ocarina/shortcuts.py

@@ -0,0 +1,30 @@
+# Bryan Schumaker (3 / 11 / 2011)
+
+import gtk
+from libsaria import controls
+
+keyval_name  = gtk.gdk.keyval_name
+shortcut_map = {}
+
+def null_shortcut():
+	return False
+
+# Setting allow_filter_focus to True means that the
+# registered shortcut will always run, even if the
+# filter entry currently has focus
+def register_shortcut(key, func, allow_filter_focus = False):
+	shortcut_map[key] = (func, allow_filter_focus)
+
+def key_pressed(widget, event):
+	from ocarina import body
+	from ocarina.body.header import entry
+
+	name  = keyval_name(event.keyval)
+	func, allow_filter_focus = shortcut_map.get(name, (null_shortcut, False))
+	if (entry.has_focus() and not allow_filter_focus):
+		return
+	if func() == False:
+		return False
+	widget.emit_stop_by_name("key-press-event")
+	return True
+

ocarina/window.py

@@ -4,6 +4,7 @@ import gtk
 import ocarina
 import libsaria
 import body
+import shortcuts
 #files = None
 
 #TARGET_TYPE_URI_LIST = 80
@@ -16,6 +17,7 @@ height = libsaria.init_pref("ocarina.window.height", 600)
 window = gtk.Window(gtk.WINDOW_TOPLEVEL)
 window.resize(width, height)
 window.connect("delete-event", ocarina.quit)
+window.connect("key-press-event", shortcuts.key_pressed)
 window.add(body.body)
 window.show()