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app: in GimpToolWidgetGroup, improve focus behavior when adding/removing widgets 

When a focused widget is added to a group, make it the new focus-
widget of the group, instead of unsetting its focus if another
widget already has focus.

When removing the focused widget from a group, set a different
widget as the group's focus widget (if one exists), instead of
unsetting the focus widget, so that nonempty groups always have a
focus widget.
This commit is contained in:
Ell 2018-09-23 12:34:12 -04:00
parent 5b217b3ad4
commit 95d2c92ff2
1 changed files with 16 additions and 0 deletions
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16
app/display/gimptoolwidgetgroup.c
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@ -447,6 +447,13 @@ gimp_tool_widget_group_children_add (GimpContainer *container,
gimp_canvas_group_add_item (canvas_group,
gimp_tool_widget_get_item (child));
if (gimp_tool_widget_get_focus (child) && priv->focus_widget)
{
gimp_tool_widget_set_focus (priv->focus_widget, FALSE);
priv->focus_widget = NULL;
}
if (! priv->focus_widget)
{
priv->focus_widget = child;
@ -482,6 +489,15 @@ gimp_tool_widget_group_children_remove (GimpContainer *container,
priv->hover_widget = NULL;
}
if (! priv->focus_widget)
{
priv->focus_widget =
GIMP_TOOL_WIDGET (gimp_container_get_first_child (container));
if (priv->focus_widget)
gimp_tool_widget_set_focus (priv->focus_widget, TRUE);
}
gimp_canvas_group_remove_item (canvas_group,
gimp_tool_widget_get_item (child));