diff options
| author | Manuel Kaufmann <humitos@gmail.com> | 2012-12-04 20:40:26 (GMT) |
|---|---|---|
| committer | Manuel Quiñones <manuq@laptop.org> | 2012-12-17 21:37:09 (GMT) |
| commit | 0788e546f62f6cb389220b53743808cd232a61d5 (patch) | |
| tree | fc5c2c4c711db3ec1700c61c8e7e7bd9f48190d8 | |
| parent | b6152b023af22fa28e8a64d400b9496602dab959 (diff) | |
TrayViewport: handle the case of the widget not yet allocated in the size-allocate callback - SL #4279
In the callback, the allocation can be 1x1 if it is yet unknown [1].
This is the case of trays that start hidden by default, like the one
in Browse activity.
[1] http://developer.gnome.org/gtk3/stable/GtkWidget.html#gtk-widget-size-allocate
Signed-off-by: Manuel Kaufmann <humitos@gmail.com>
Signed-off-by: Manuel Quiñones <manuq@laptop.org>
Acked-by: Simon Schampijer <simon@laptop.org>
| -rw-r--r-- | src/sugar3/graphics/tray.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sugar3/graphics/tray.py b/src/sugar3/graphics/tray.py index c0e5679..b460595 100644 --- a/src/sugar3/graphics/tray.py +++ b/src/sugar3/graphics/tray.py @@ -137,6 +137,12 @@ class _TrayViewport(Gtk.Viewport): return self._can_scroll_prev def _size_allocate_cb(self, viewport, allocation): + if allocation.width == 1 and allocation.height == 1: + # HACK: the first time this callback is called 'width' and + # 'height' are 1 so we mark the Viewport as scrollable and + # we show the Prev / Next buttons + return + bar_minimum, bar_natural = self.traybar.get_preferred_size() if self.orientation == Gtk.Orientation.HORIZONTAL: |