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CanvasIcon: use set_state_flags and unset_state_flags instead of deprecated set_state - SL #3989

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set_state is deprecated [1] and using flags improves the code and
makes it less error prone, because there is no need to handle the
prelight state in a variable _in_prelight_state .

[1] http://developer.gnome.org/gtk3/stable/GtkWidget.html#gtk-widget-set-state

Signed-off-by: Manuel Quiñones <manuq@laptop.org>
Acked-by: Simon Schampijer <simon@laptop.org>
This commit is contained in:
Manuel Quiñones 2012-10-15 11:28:44 -03:00
parent e591d9aa80
commit e4e1881662
1 changed files with 8 additions and 15 deletions
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23
src/sugar3/graphics/icon.py
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@ -694,8 +694,6 @@ class CanvasIcon(EventIcon):
def __init__(self, **kwargs):
EventIcon.__init__(self, **kwargs)
self._in_prelight_state = False
self.connect('enter-notify-event', self.__enter_notify_event_cb)
self.connect('leave-notify-event', self.__leave_notify_event_cb)
self.connect('button-press-event', self.__button_press_event_cb)
@ -716,32 +714,27 @@ class CanvasIcon(EventIcon):
EventIcon.do_draw(self, cr)
def __enter_notify_event_cb(self, icon, event):
self._in_prelight_state = True
if self.get_state() != Gtk.StateFlags.ACTIVE:
self.set_state(Gtk.StateFlags.PRELIGHT)
self.set_state_flags(self.get_state_flags() | Gtk.StateFlags.PRELIGHT,
clear=True)
def __leave_notify_event_cb(self, icon, event):
if self.palette and self.palette.is_up():
return
self._in_prelight_state = False
if self.get_state() != Gtk.StateFlags.ACTIVE:
self.set_state(False)
self.unset_state_flags(Gtk.StateFlags.PRELIGHT)
def __button_press_event_cb(self, icon, event):
self.set_state(Gtk.StateFlags.ACTIVE)
self.set_state_flags(self.get_state_flags() | Gtk.StateFlags.ACTIVE,
clear=True)
def __button_release_event_cb(self, icon, event):
if self._in_prelight_state:
self.set_state(Gtk.StateFlags.PRELIGHT)
else:
self.set_state(False)
self.unset_state_flags(Gtk.StateFlags.ACTIVE)
def __palette_popup_cb(self, palette):
self.set_state(Gtk.StateFlags.PRELIGHT)
self.set_state_flags(Gtk.StateFlags.PRELIGHT, clear=True)
def __palette_popdown_cb(self, palette):
self.set_state(False)
self.unset_state_flags(Gtk.StateFlags.PRELIGHT)
class CellRendererIcon(Gtk.CellRenderer):