Implement popup_during_fullscreen

This introduces a new view_impl function: is_transient_for. Similar to
container_has_ancestor but works using the surface parents rather than
the tree.

This patch modifies view_is_visible, container_at and so on to allow
transient views to function normally when they're in front of a
fullscreen view.

1 files changed, 6 insertions, 0 deletions

diff --git a/sway/sway.5.scd b/sway/sway.5.scd
index 3fda6cef..387edf54 100644
--- a/sway/sway.5.scd
+++ b/sway/sway.5.scd
@@ -549,6 +549,12 @@ You may combine output commands into one, like so:
 You can get a list of output names with *swaymsg -t get\_outputs*. You may also
 match any output by using the output name "\*".
 
+*popup\_during\_fullscreen* smart|ignore|leave\_fullscreen
+        Determines what to do when a fullscreen view opens a dialog.
+        If _smart_ (the default), the dialog will be displayed. If _ignore_, the
+        dialog will not be rendered. If _leave\_fullscreen_, the view will exit
+        fullscreen mode and the dialog will be rendered.
+
 *set* $<name> <value>
         Sets variable $_name_ to _value_. You can use the new variable in the
         arguments of future commands. When the variable is used, it can be escaped