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Rewrite the menu activation/deactivation logic using a timeline

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This commit is contained in:
Marco Pesenti Gritti 2006-10-18 14:05:50 +02:00
parent 37e1bf6100
commit a4ef03fbda
1 changed files with 24 additions and 45 deletions
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69
sugar/graphics/menuicon.py
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@ -19,6 +19,7 @@ import hippo
import gobject
from sugar.graphics.canvasicon import CanvasIcon
from sugar.graphics.timeline import Timeline
class _MenuStrategy:
def get_menu_position(self, menu, item):
@ -31,27 +32,24 @@ class MenuIcon(CanvasIcon):
self._menu_shell = menu_shell
self._menu = None
self._hover_menu = False
self._popdown_on_leave = False
self._popdown_sid = 0
self._menu_strategy = _MenuStrategy()
self.connect('motion-notify-event', self._motion_notify_event_cb)
self._timeline = Timeline(self)
self._timeline.add_tag('popup', 6, 6)
self._timeline.add_tag('before_popdown', 7, 7)
self._timeline.add_tag('popdown', 8, 8)
def popdown(self):
if self._menu:
self._menu.destroy()
self._menu = None
self._menu_shell.set_active(None)
self.connect('motion-notify-event', self._motion_notify_event_cb)
def set_menu_strategy(self, strategy):
self._menu_strategy = strategy
def _popup(self):
self.popdown()
self._menu_shell.set_active(None)
def do_popup(self, current, n_frames):
if self._menu:
return
self._menu = self.create_menu()
self._menu.connect('enter-notify-event',
self._menu_enter_notify_event_cb)
self._menu.connect('leave-notify-event',
@ -65,42 +63,23 @@ class MenuIcon(CanvasIcon):
self._menu_shell.set_active(self)
def _menu_enter_notify_event_cb(self, widget, event):
self._hover_menu = True
def _menu_leave_notify_event_cb(self, widget, event):
self._hover_menu = False
if self._popdown_on_leave:
self.popdown()
def _start_popdown_timeout(self):
self._stop_popdown_timeout()
self._popdown_sid = gobject.timeout_add(1000, self._popdown_timeout_cb)
def _stop_popdown_timeout(self):
if self._popdown_sid > 0:
gobject.source_remove(self._popdown_sid)
self._popdown_sid = 0
def do_popdown(self, current, frame):
if self._menu:
self._menu.destroy()
self._menu = None
self._menu_shell.set_active(None)
def _motion_notify_event_cb(self, item, event):
if event.detail == hippo.MOTION_DETAIL_ENTER:
self._motion_notify_enter()
self._timeline.play(None, 'popup')
elif event.detail == hippo.MOTION_DETAIL_LEAVE:
self._motion_notify_leave()
def _motion_notify_enter(self):
self._stop_popdown_timeout()
self._popup()
def _motion_notify_leave(self):
self._start_popdown_timeout()
def _popdown_timeout_cb(self):
self._popdown_sid = 0
if not self._hover_menu:
self.popdown()
else:
self._popdown_on_leave = True
self._timeline.play('before_popdown', 'popdown')
return False
def _menu_enter_notify_event_cb(self, widget, event):
self._hover_menu = True
self._timeline.play('popup', 'popup')
def _menu_leave_notify_event_cb(self, widget, event):
self._hover_menu = False
self._timeline.play('popdown', 'popdown')