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Fix focus order in floating_enable for unfocused windows 

Partially fixes issue #2938
This commit is contained in:
Orestis Floros 2017-09-14 13:00:14 +03:00
parent 10a3c1e827
commit 3a89f88fb6
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GPG Key ID: E9AD9F32E401E38F
1 changed files with 42 additions and 4 deletions
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46
src/floating.c
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@ -176,6 +176,33 @@ void floating_enable(Con *con, bool automatic) {
return;
}
Con *focus_head_placeholder = NULL;
bool focus_before_parent = true;
if (!set_focus) {
/* Find recursively the ancestor container which is a child of our workspace.
* We need to reuse its focus position later. */
Con *ancestor = con;
while (ancestor->parent->type != CT_WORKSPACE) {
focus_before_parent &= TAILQ_FIRST(&(ancestor->parent->focus_head)) == ancestor;
ancestor = ancestor->parent;
}
/* Consider the part of the focus stack of our current workspace:
* [ ... S_{i-1} S_{i} S_{i+1} ... ]
* Where S_{x} is a container tree and the container 'con' that is beeing switched to
* floating belongs in S_{i}. The new floating container, 'nc', will have the
* workspace as its parent so it needs to be placed in this stack. If C was focused
* we just need to call con_focus(). Otherwise, nc must be placed before or after S_{i}.
* We should avoid using the S_{i} container for our operations since it might get
* killed if it has no other children. So, the two possible positions are after S_{i-1}
* or before S_{i+1}.
*/
if (focus_before_parent) {
focus_head_placeholder = TAILQ_PREV(ancestor, focus_head, focused);
} else {
focus_head_placeholder = TAILQ_NEXT(ancestor, focused);
}
}
/* 1: detach the container from its parent */
/* TODO: refactor this with tree_close_internal() */
con_detach(con);
@ -194,12 +221,23 @@ void floating_enable(Con *con, bool automatic) {
/* We insert nc already, even though its rect is not yet calculated. This
* is necessary because otherwise the workspace might be empty (and get
* closed in tree_close_internal()) even though it’s not. */
if (set_focus) {
TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
} else {
TAILQ_INSERT_HEAD(&(ws->floating_head), nc, floating_windows);
struct focus_head *fh = &(ws->focus_head);
if (focus_before_parent) {
if (focus_head_placeholder) {
TAILQ_INSERT_AFTER(fh, focus_head_placeholder, nc, focused);
} else {
TAILQ_INSERT_HEAD(fh, nc, focused);
}
} else {
if (focus_head_placeholder) {
TAILQ_INSERT_BEFORE(focus_head_placeholder, nc, focused);
} else {
/* Also used for the set_focus case */
TAILQ_INSERT_TAIL(fh, nc, focused);
}
}
TAILQ_INSERT_TAIL(&(ws->focus_head), nc, focused);
/* check if the parent container is empty and close it if so */
if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) &&