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Implement iterators per container type

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This introduces the following `for_each` functions:

* root_for_each_workspace
* root_for_each_container
* output_for_each_workspace
* output_for_each_container
* workspace_for_each_container

And introduces the following `find` functions:

* root_find_output
* root_find_workspace
* root_find_container
* output_find_workspace
* output_find_container
* workspace_find_container
* container_find_child

And removes the following functions:

* container_descendants
* container_for_each_descendant
* container_find

This change is preparing the way for demoting sway_container. Eventually
these functions will accept and return sway_outputs, sway_workspaces and
sway_containers (meaning a C_CONTAINER or C_VIEW).

This change also makes it easy to handle abnormalities like the
workspace floating list, root's scratchpad list and (once implemented)
root's saved workspaces list for when there's no connected outputs.
This commit is contained in:
Ryan Dwyer 2018-08-17 19:48:34 +10:00
parent d4a32800d5
commit d6cd79c342
18 changed files with 268 additions and 110 deletions
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62
sway/tree/container.c
View file

@ -432,8 +432,10 @@ struct sway_container *container_close(struct sway_container *con) {
if (con->type == C_VIEW) {
view_close(con->sway_view);
} else {
container_for_each_descendant(con, container_close_func, NULL);
} else if (con->type == C_CONTAINER) {
container_for_each_child(con, container_close_func, NULL);
} else if (con->type == C_WORKSPACE) {
workspace_for_each_container(con, container_close_func, NULL);
}
return parent;
@ -465,23 +467,12 @@ struct sway_container *container_view_create(struct sway_container *sibling,
return swayc;
}
void container_descendants(struct sway_container *root,
enum sway_container_type type,
void (*func)(struct sway_container *item, void *data), void *data) {
if (!root->children || !root->children->length) {
return;
}
for (int i = 0; i < root->children->length; ++i) {
struct sway_container *item = root->children->items[i];
if (item->type == type) {
func(item, data);
}
container_descendants(item, type, func, data);
}
}
struct sway_container *container_find(struct sway_container *container,
struct sway_container *container_find_child(struct sway_container *container,
bool (*test)(struct sway_container *view, void *data), void *data) {
if (!sway_assert(container->type == C_CONTAINER ||
container->type == C_VIEW, "Expected a container or view")) {
return NULL;
}
if (!container->children) {
return NULL;
}
@ -489,15 +480,11 @@ struct sway_container *container_find(struct sway_container *container,
struct sway_container *child = container->children->items[i];
if (test(child, data)) {
return child;
} else {
struct sway_container *res = container_find(child, test, data);
if (res) {
return res;
}
}
}
if (container->type == C_WORKSPACE) {
return container_find(container->sway_workspace->floating, test, data);
struct sway_container *res = container_find_child(child, test, data);
if (res) {
return res;
}
}
return NULL;
}
@ -743,26 +730,20 @@ struct sway_container *container_at(struct sway_container *workspace,
return NULL;
}
void container_for_each_descendant(struct sway_container *container,
void container_for_each_child(struct sway_container *container,
void (*f)(struct sway_container *container, void *data),
void *data) {
if (!container) {
if (!sway_assert(container->type == C_CONTAINER ||
container->type == C_VIEW, "Expected a container or view")) {
return;
}
f(container, data);
if (container->children) {
for (int i = 0; i < container->children->length; ++i) {
struct sway_container *child = container->children->items[i];
container_for_each_descendant(child, f, data);
container_for_each_child(child, f, data);
}
}
if (container->type == C_WORKSPACE) {
struct sway_container *floating = container->sway_workspace->floating;
for (int i = 0; i < floating->children->length; ++i) {
struct sway_container *child = floating->children->items[i];
container_for_each_descendant(child, f, data);
}
}
f(container, data);
}
bool container_has_ancestor(struct sway_container *descendant,
@ -1198,13 +1179,12 @@ void container_set_dirty(struct sway_container *container) {
list_add(server.dirty_containers, container);
}
static bool find_urgent_iterator(struct sway_container *con,
void *data) {
static bool find_urgent_iterator(struct sway_container *con, void *data) {
return con->type == C_VIEW && view_is_urgent(con->sway_view);
}
bool container_has_urgent_child(struct sway_container *container) {
return container_find(container, find_urgent_iterator, NULL);
return container_find_child(container, find_urgent_iterator, NULL);
}
void container_end_mouse_operation(struct sway_container *container) {
@ -1236,7 +1216,7 @@ void container_set_fullscreen(struct sway_container *container, bool enable) {
container_set_fullscreen(workspace->sway_workspace->fullscreen, false);
}
container_for_each_descendant(container, set_fullscreen_iterator, &enable);
container_for_each_child(container, set_fullscreen_iterator, &enable);
container->is_fullscreen = enable;