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Merge pull request #3342 from orestisf1993/tree_close_internal 

Simplify tree_close_internal
This commit is contained in:
Ingo Bürk 2018-09-14 12:24:54 +02:00 committed by GitHub
parent badcb152f9 f908403376
commit ede954128a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 24 additions and 81 deletions
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2
include/tree.h
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@ -78,7 +78,7 @@ void tree_next(char way, orientation_t orientation);
* container) and focus should be set there.
*
*/
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent, bool force_set_focus);
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent);
/**
* Loads tree from ~/.i3/_restart.json (used for in-place restarts).

11
src/con.c
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@ -286,14 +286,14 @@ void con_close(Con *con, kill_window_t kill_window) {
for (child = TAILQ_FIRST(&(con->focus_head)); child;) {
nextchild = TAILQ_NEXT(child, focused);
DLOG("killing child = %p.\n", child);
tree_close_internal(child, kill_window, false, false);
tree_close_internal(child, kill_window, false);
child = nextchild;
}
return;
}
tree_close_internal(con, kill_window, false, false);
tree_close_internal(con, kill_window, false);
}
/*
@ -1454,6 +1454,9 @@ Con *con_next_focused(Con *con) {
DLOG("selecting workspace for dock client\n");
return con_descend_focused(output_get_content(con->parent->parent));
}
if (con_is_floating(con)) {
con = con->parent;
}
/* if 'con' is not the first entry in the focus stack, use the first one as
* it’s currently focused already */
@ -1971,7 +1974,7 @@ static void con_on_remove_child(Con *con) {
if (TAILQ_EMPTY(&(con->focus_head)) && !workspace_is_visible(con)) {
LOG("Closing old workspace (%p / %s), it is empty\n", con, con->name);
yajl_gen gen = ipc_marshal_workspace_event("empty", con, NULL);
tree_close_internal(con, DONT_KILL_WINDOW, false, false);
tree_close_internal(con, DONT_KILL_WINDOW, false);
const unsigned char *payload;
ylength length;
@ -1992,7 +1995,7 @@ static void con_on_remove_child(Con *con) {
int children = con_num_children(con);
if (children == 0) {
DLOG("Container empty, closing\n");
tree_close_internal(con, DONT_KILL_WINDOW, false, false);
tree_close_internal(con, DONT_KILL_WINDOW, false);
return;
}
}

4
src/floating.c
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@ -246,7 +246,7 @@ void floating_enable(Con *con, bool automatic) {
Con *parent = con->parent;
/* clear the pointer before calling tree_close_internal in which the memory is freed */
con->parent = NULL;
tree_close_internal(parent, DONT_KILL_WINDOW, false, false);
tree_close_internal(parent, DONT_KILL_WINDOW, false);
}
char *name;
@ -376,7 +376,7 @@ void floating_disable(Con *con, bool automatic) {
Con *parent = con->parent;
con_detach(con);
con->parent = NULL;
tree_close_internal(parent, DONT_KILL_WINDOW, true, false);
tree_close_internal(parent, DONT_KILL_WINDOW, true);
con_attach(con, tiling_focused, false);
con->percent = 0.0;
con_fix_percent(con->parent);

4
src/handlers.c
View File

@ -494,7 +494,7 @@ static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event) {
xcb_delete_property(conn, event->window, A__NET_WM_DESKTOP);
xcb_delete_property(conn, event->window, A__NET_WM_STATE);
tree_close_internal(con, DONT_KILL_WINDOW, false, false);
tree_close_internal(con, DONT_KILL_WINDOW, false);
tree_render();
ignore_end:
@ -867,7 +867,7 @@ static void handle_client_message(xcb_client_message_event_t *event) {
if (event->data.data32[0])
last_timestamp = event->data.data32[0];
tree_close_internal(con, KILL_WINDOW, false, false);
tree_close_internal(con, KILL_WINDOW, false);
tree_render();
} else {
DLOG("Couldn't find con for _NET_CLOSE_WINDOW request. (window = %d)\n", event->window);

4
src/randr.c
View File

@ -993,7 +993,7 @@ void randr_disable_output(Output *output) {
if (current != next && TAILQ_EMPTY(&(current->focus_head))) {
/* the workspace is empty and not focused, get rid of it */
DLOG("Getting rid of current = %p / %s (empty, unfocused)\n", current, current->name);
tree_close_internal(current, DONT_KILL_WINDOW, false, false);
tree_close_internal(current, DONT_KILL_WINDOW, false);
continue;
}
DLOG("Detaching current = %p / %s\n", current, current->name);
@ -1039,7 +1039,7 @@ void randr_disable_output(Output *output) {
Con *con = output->con;
/* clear the pointer before calling tree_close_internal in which the memory is freed */
output->con = NULL;
tree_close_internal(con, DONT_KILL_WINDOW, true, false);
tree_close_internal(con, DONT_KILL_WINDOW, true);
DLOG("Done. Should be fine now\n");
}

76
src/tree.c
View File

@ -179,16 +179,6 @@ Con *tree_open_con(Con *con, i3Window *window) {
return new;
}
static bool _is_con_mapped(Con *con) {
Con *child;
TAILQ_FOREACH(child, &(con->nodes_head), nodes)
if (_is_con_mapped(child))
return true;
return con->mapped;
}
/*
* Closes the given container including all children.
* Returns true if the container was killed or false if just WM_DELETE was sent
@ -197,22 +187,10 @@ static bool _is_con_mapped(Con *con) {
* The dont_kill_parent flag is specified when the function calls itself
* recursively while deleting a containers children.
*
* The force_set_focus flag is specified in the case of killing a floating
* window: tree_close_internal() will be invoked for the CT_FLOATINGCON (the parent
* container) and focus should be set there.
*
*/
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent, bool force_set_focus) {
bool was_mapped = con->mapped;
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent) {
Con *parent = con->parent;
if (!was_mapped) {
/* Even if the container itself is not mapped, its children may be
* mapped (for example split containers don't have a mapped window on
* their own but usually contain mapped children). */
was_mapped = _is_con_mapped(con);
}
/* remove the urgency hint of the workspace (if set) */
if (con->urgent) {
con_set_urgency(con, false);
@ -220,10 +198,6 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
workspace_update_urgent_flag(con_get_workspace(con));
}
/* Get the container which is next focused */
Con *next = con_next_focused(con);
DLOG("next = %p, focused = %p\n", next, focused);
DLOG("closing %p, kill_window = %d\n", con, kill_window);
Con *child, *nextchild;
bool abort_kill = false;
@ -232,8 +206,9 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
for (child = TAILQ_FIRST(&(con->nodes_head)); child;) {
nextchild = TAILQ_NEXT(child, nodes);
DLOG("killing child=%p\n", child);
if (!tree_close_internal(child, kill_window, true, false))
if (!tree_close_internal(child, kill_window, true)) {
abort_kill = true;
}
child = nextchild;
}
@ -285,17 +260,8 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
Con *ws = con_get_workspace(con);
/* Figure out which container to focus next before detaching 'con'. */
if (con_is_floating(con)) {
if (con == focused) {
DLOG("This is the focused container, i need to find another one to focus. I start looking at ws = %p\n", ws);
next = con_next_focused(parent);
dont_kill_parent = true;
DLOG("Alright, focusing %p\n", next);
} else {
next = NULL;
}
}
Con *next = (con == focused) ? con_next_focused(con) : NULL;
DLOG("next = %p, focused = %p\n", next, focused);
/* Detach the container so that it will not be rendered anymore. */
con_detach(con);
@ -328,12 +294,6 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
/* kill the X11 part of this container */
x_con_kill(con);
if (con_is_floating(con)) {
DLOG("Container was floating, killing floating container\n");
tree_close_internal(parent, DONT_KILL_WINDOW, false, (con == focused));
DLOG("parent container killed\n");
}
if (ws == con) {
DLOG("Closing a workspace container, updating EWMH atoms\n");
ewmh_update_number_of_desktops();
@ -343,30 +303,10 @@ bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_par
con_free(con);
/* in the case of floating windows, we already focused another container
* when closing the parent, so we can exit now. */
if (!next) {
DLOG("No next container, i will just exit now\n");
return true;
}
if (was_mapped || con == focused) {
if ((kill_window != DONT_KILL_WINDOW) || !dont_kill_parent || con == focused) {
DLOG("focusing %p / %s\n", next, next->name);
if (next->type == CT_DOCKAREA) {
/* Instead of focusing the dockarea, we need to restore focus to the workspace */
con_activate(con_descend_focused(output_get_content(next->parent)));
} else {
if (!force_set_focus && con != focused)
DLOG("not changing focus, the container was not focused before\n");
else
if (next) {
con_activate(next);
}
} else {
DLOG("not focusing because we're not killing anybody\n");
}
} else {
DLOG("not focusing, was not mapped\n");
DLOG("not changing focus, the container was not focused before\n");
}
/* check if the parent container is empty now and close it */
@ -759,7 +699,7 @@ void tree_flatten(Con *con) {
/* 4: close the redundant cons */
DLOG("closing redundant cons\n");
tree_close_internal(con, DONT_KILL_WINDOW, true, false);
tree_close_internal(con, DONT_KILL_WINDOW, true);
/* Well, we got to abort the recursion here because we destroyed the
* container. However, if tree_flatten() is called sufficiently often,

2
src/workspace.c
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@ -496,7 +496,7 @@ void workspace_show(Con *workspace) {
if (!workspace_is_visible(old)) {
LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
yajl_gen gen = ipc_marshal_workspace_event("empty", old, NULL);
tree_close_internal(old, DONT_KILL_WINDOW, false, false);
tree_close_internal(old, DONT_KILL_WINDOW, false);
const unsigned char *payload;
ylength length;