r+
On Thu, Jun 19, 2008 at 9:07 PM, Benjamin Berg
<[EMAIL PROTECTED]> wrote:
>
> ---
>
> src/sugar/graphics/tray.py | 25 +
> 1 files changed, 25 insertions(+), 0 deletions(-)
>
> diff --git a/src/sugar/graphics/tray.py b/src/sugar/graphics/tray.py
> index d7d5918..2f5db9a 100644
> --- a/src/sugar/graphics/tray.py
> +++ b/src/sugar/graphics/tray.py
> @@ -67,6 +67,25 @@ class _TrayViewport(gtk.Viewport):
> elif direction == _NEXT_PAGE:
> self._scroll_next()
>
> +def scroll_to_item(self, item):
> +"""This function scrolls the viewport so that item will be
> visible."""
> +assert item in self.traybar.get_children()
> +
> +# Get the allocation, and make sure that it is visible
> +if self.orientation == gtk.ORIENTATION_HORIZONTAL:
> +adj = self.get_hadjustment()
> +start = item.allocation.x
> +stop = item.allocation.x + item.allocation.width
> +else:
> +adj = self.get_vadjustment()
> +start = item.allocation.y
> +stop = item.allocation.y + item.allocation.height
> +
> +if start < adj.value:
> +adj.value = start
> +elif stop > adj.value + adj.page_size:
> +adj.value = stop - adj.page_size
> +
> def _scroll_next(self):
> allocation = self.get_allocation()
> if self.orientation == gtk.ORIENTATION_HORIZONTAL:
> @@ -218,6 +237,9 @@ class HTray(gtk.HBox):
> def get_item_index(self, item):
> return self._viewport.traybar.get_item_index(item)
>
> +def scroll_to_item(self, item):
> +self._viewport.scroll_to_item(item)
> +
> class VTray(gtk.VBox):
> def __init__(self, **kwargs):
> gobject.GObject.__init__(self, **kwargs)
> @@ -249,6 +271,9 @@ class VTray(gtk.VBox):
> def get_item_index(self, item):
> return self._viewport.traybar.get_item_index(item)
>
> +def scroll_to_item(self, item):
> +self._viewport.scroll_to_item(item)
> +
> class TrayButton(ToolButton):
> def __init__(self, **kwargs):
> ToolButton.__init__(self, **kwargs)
>
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>
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