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st/scroll-view: Expose adjustments as properties

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The adjustments are currently only accessible indirectly via
the scroll bars. It is a bit odd to expose internal children,
and as nearly all users only access them for the adjustments,
it makes sense to expose those instead.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3020>
This commit is contained in:
Florian Müllner 2023-11-15 13:50:42 +01:00 committed by Marge Bot
parent 5b84967deb
commit d243a9ba93
2 changed files with 75 additions and 0 deletions
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72
src/st/st-scroll-view.c
View File

@ -99,6 +99,8 @@ enum {
PROP_CHILD,
PROP_HSCROLL,
PROP_VSCROLL,
PROP_HADJUSTMENT,
PROP_VADJUSTMENT,
PROP_HSCROLLBAR_POLICY,
PROP_VSCROLLBAR_POLICY,
PROP_HSCROLLBAR_VISIBLE,
@ -131,6 +133,12 @@ st_scroll_view_get_property (GObject *object,
case PROP_VSCROLL:
g_value_set_object (value, priv->vscroll);
break;
case PROP_HADJUSTMENT:
g_value_set_object (value, priv->hadjustment);
break;
case PROP_VADJUSTMENT:
g_value_set_object (value, priv->vadjustment);
break;
case PROP_HSCROLLBAR_POLICY:
g_value_set_enum (value, priv->hscrollbar_policy);
break;
@ -888,6 +896,30 @@ st_scroll_view_class_init (StScrollViewClass *klass)
ST_TYPE_SCROLL_BAR,
ST_PARAM_READABLE);
/**
* StScrollView:hadjustment:
*
* The horizontal #StAdjustment for the #StScrollView.
*/
props[PROP_HADJUSTMENT] =
g_param_spec_object ("hadjustment",
"StAdjustment",
"Horizontal scroll adjustment",
ST_TYPE_ADJUSTMENT,
ST_PARAM_READABLE);
/**
* StScrollView:vadjustment:
*
* The vertical #StAdjustment for the #StScrollView.
*/
props[PROP_VADJUSTMENT] =
g_param_spec_object ("vadjustment",
"StAdjustment",
"Vertical scroll adjustment",
ST_TYPE_ADJUSTMENT,
ST_PARAM_READABLE);
/**
* StScrollView:vscrollbar-policy:
*
@ -1169,6 +1201,46 @@ st_scroll_view_get_vscroll_bar (StScrollView *scroll)
return priv->vscroll;
}
/**
* st_scroll_view_get_hadjustment:
* @scroll: a #StScrollView
*
* Gets the horizontal #StAdjustment of the #StScrollView.
*
* Returns: (transfer none): the horizontal adjustment
*/
StAdjustment *
st_scroll_view_get_hadjustment (StScrollView *scroll)
{
StScrollViewPrivate *priv;
g_return_val_if_fail (ST_IS_SCROLL_VIEW (scroll), NULL);
priv = st_scroll_view_get_instance_private (scroll);
return priv->hadjustment;
}
/**
* st_scroll_view_get_vadjustment:
* @scroll: a #StScrollView
*
* Gets the vertical #StAdjustment of the #StScrollView.
*
* Returns: (transfer none): the vertical adjustment
*/
StAdjustment *
st_scroll_view_get_vadjustment (StScrollView *scroll)
{
StScrollViewPrivate *priv;
g_return_val_if_fail (ST_IS_SCROLL_VIEW (scroll), NULL);
priv = st_scroll_view_get_instance_private (scroll);
return priv->vadjustment;
}
/**
* st_scroll_view_get_column_size:
* @scroll: a #StScrollView

3
src/st/st-scroll-view.h
View File

@ -56,6 +56,9 @@ void st_scroll_view_set_child (StScrollView *scroll,
ClutterActor *st_scroll_view_get_hscroll_bar (StScrollView *scroll);
ClutterActor *st_scroll_view_get_vscroll_bar (StScrollView *scroll);
StAdjustment *st_scroll_view_get_hadjustment (StScrollView *scroll);
StAdjustment *st_scroll_view_get_vadjustment (StScrollView *scroll);
gfloat st_scroll_view_get_column_size (StScrollView *scroll);
void st_scroll_view_set_column_size (StScrollView *scroll,
gfloat column_size);