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Make focus part of transactions

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Rather than maintain copies of the entire focus stack, this PR
transactionises the focus by introducing two new properties to the
container state and using those when rendering.

* `bool focused` means this container has actual focus. Only one
container should have this equalling true in its current state.
* `struct sway_container *focus_inactive_child` points to the immediate
child that was most recently focused (eg. for tabbed and stacked
containers).
This commit is contained in:
Ryan Dwyer 2018-07-15 15:20:21 +10:00
parent 53e3f35ba3
commit a120d4c79f
10 changed files with 55 additions and 73 deletions
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11
include/sway/input/seat.h
View file

@ -118,17 +118,6 @@ struct sway_container *seat_get_focus_inactive_view(struct sway_seat *seat,
struct sway_container *seat_get_active_child(struct sway_seat *seat,
struct sway_container *container);
/**
* Return the immediate child of container which was most recently focused, with
* fallback to selecting the child in the parent's `current` (rendered) children
* list.
*
* This is useful for when a tabbed container and its children are destroyed but
* still being rendered, and we have to render an appropriate child.
*/
struct sway_container *seat_get_active_current_child(struct sway_seat *seat,
struct sway_container *container);
/**
* Iterate over the focus-inactive children of the container calling the
* function on each.

3
include/sway/tree/container.h
View file

@ -68,6 +68,9 @@ struct sway_container_state {
struct sway_container *parent;
list_t *children;
struct sway_container *focused_inactive_child;
bool focused;
// View properties
double view_x, view_y;
double view_width, view_height;