diff options
| author | Manuel Quiñones <manuq@laptop.org> | 2013-05-16 21:57:12 (GMT) |
|---|---|---|
| committer | Agustin Zubiaga <aguz@localhost.localdomain> | 2013-06-03 19:07:02 (GMT) |
| commit | a3824af77b4e2c5c144ba4e36a691a1547d39da9 (patch) | |
| tree | 35449ed2e14d5419b1b07afad12cb3e789044fea | |
| parent | 22daeb55eff4f3474a7a846772db833e11bff8f3 (diff) | |
Skip the scrollbar value-changed callbacks when we manually change them
| -rw-r--r-- | ImageView.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/ImageView.py b/ImageView.py index 78b244f..4f19525 100644 --- a/ImageView.py +++ b/ImageView.py @@ -90,6 +90,8 @@ class ImageViewer(Gtk.DrawingArea, Gtk.Scrollable): self._hadj = None self._vadj = None + self._hadj_value_changed_hid = None + self._vadj_value_changed_hid = None self.connect('draw', self.__draw_cb) @@ -104,13 +106,15 @@ class ImageViewer(Gtk.DrawingArea, Gtk.Scrollable): if prop.name == 'hadjustment': if value is not None: hadj = value - hadj.connect('value-changed', self.__hadj_value_changed_cb) + self._hadj_value_changed_hid = \ + hadj.connect('value-changed', self.__hadj_value_changed_cb) self._hadj = hadj elif prop.name == 'vadjustment': if value is not None: vadj = value - vadj.connect('value-changed', self.__vadj_value_changed_cb) + self._vadj_value_changed_hid = \ + vadj.connect('value-changed', self.__vadj_value_changed_cb) self._vadj = vadj def _update_adjustments(self): @@ -149,12 +153,20 @@ class ImageViewer(Gtk.DrawingArea, Gtk.Scrollable): # image to the value each adjustment. if max_topleft[0] != 0: + self._hadj.disconnect(self._hadj_value_changed_hid) self._hadj.set_value(-1 * max_value[0] * scaled_image_topleft[0] / max_topleft[0]) + self._hadj_value_changed_hid = \ + self._hadj.connect('value-changed', + self.__hadj_value_changed_cb) if max_topleft[1] != 0: + self._vadj.disconnect(self._vadj_value_changed_hid) self._vadj.set_value(-1 * max_value[1] * scaled_image_topleft[1] / max_topleft[1]) + self._vadj_value_changed_hid = \ + self._vadj.connect('value-changed', + self.__vadj_value_changed_cb) def __hadj_value_changed_cb(self, adj): logging.debug("hadj_value_changed_cb") |