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Fix infinite loop when focusing sticky containers via workspace command

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In a multi-output setup, if a sticky container is on one output and
focus is on the other output, and you run (eg) `workspace 1` to focus
the workspace containing the sticky container, an infinite loop would
occur. It would loop infinitely because it would remove the sticky
container from the workspace, add it back to the same workspace, and
then decrement the iterator variable.

The fix just wraps the loop in a workspace comparison.
This commit is contained in:
Ryan Dwyer 2018-08-07 23:27:56 +10:00
parent 1818c58e40
commit 50f3a7ff5c
1 changed files with 13 additions and 10 deletions
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23
sway/tree/workspace.c
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@ -411,17 +411,20 @@ bool workspace_switch(struct sway_container *workspace,
struct sway_container *floating =
next_output_prev_ws->sway_workspace->floating;
bool has_sticky = false;
for (int i = 0; i < floating->children->length; ++i) {
struct sway_container *floater = floating->children->items[i];
if (floater->is_sticky) {
has_sticky = true;
container_remove_child(floater);
container_add_child(workspace->sway_workspace->floating, floater);
if (floater == focus) {
seat_set_focus(seat, NULL);
seat_set_focus(seat, floater);
if (workspace != next_output_prev_ws) {
for (int i = 0; i < floating->children->length; ++i) {
struct sway_container *floater = floating->children->items[i];
if (floater->is_sticky) {
has_sticky = true;
container_remove_child(floater);
container_add_child(workspace->sway_workspace->floating,
floater);
if (floater == focus) {
seat_set_focus(seat, NULL);
seat_set_focus(seat, floater);
}
--i;
}
--i;
}
}