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#define _POSIX_C_SOURCE 200809L
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <wlr/types/wlr_output_layout.h>
#include "sway/config.h"
#include "sway/container.h"
#include "sway/layout.h"
#include "sway/output.h"
#include "sway/view.h"
#include "sway/workspace.h"
#include "log.h"
void swayc_descendants_of_type(swayc_t *root, enum swayc_types type,
void (*func)(swayc_t *item, void *data), void *data) {
for (int i = 0; i < root->children->length; ++i) {
swayc_t *item = root->children->items[i];
if (item->type == type) {
func(item, data);
}
if (item->children && item->children->length) {
swayc_descendants_of_type(item, type, func, data);
}
}
}
static void update_root_geometry() {
int width = 0;
int height = 0;
swayc_t *child;
int child_width;
int child_height;
for (int i = 0; i < root_container.children->length; ++i) {
child = root_container.children->items[i];
child_width = child->width + child->x;
child_height = child->height + child->y;
if (child_width > width) {
width = child_width;
}
if (child_height > height) {
height = child_height;
}
}
root_container.width = width;
root_container.height = height;
}
static swayc_t *new_swayc(enum swayc_types type) {
// next id starts at 1 because 0 is assigned to root_container in layout.c
static size_t next_id = 1;
swayc_t *c = calloc(1, sizeof(swayc_t));
if (!c) {
return NULL;
}
c->id = next_id++;
c->layout = L_NONE;
c->workspace_layout = L_NONE;
c->type = type;
c->nb_master = 1;
c->nb_slave_groups = 1;
if (type != C_VIEW) {
c->children = create_list();
}
return c;
}
swayc_t *new_output(struct sway_output *sway_output) {
struct wlr_box size;
wlr_output_effective_resolution(sway_output->wlr_output, &size.width,
&size.height);
const char *name = sway_output->wlr_output->name;
struct output_config *oc = NULL, *all = NULL;
for (int i = 0; i < config->output_configs->length; ++i) {
struct output_config *cur = config->output_configs->items[i];
if (strcasecmp(name, cur->name) == 0) {
sway_log(L_DEBUG, "Matched output config for %s", name);
oc = cur;
}
if (strcasecmp("*", cur->name) == 0) {
sway_log(L_DEBUG, "Matched wildcard output config for %s", name);
all = cur;
}
if (oc && all) {
break;
}
}
if (!oc) {
oc = all;
}
if (oc && !oc->enabled) {
return NULL;
}
swayc_t *output = new_swayc(C_OUTPUT);
output->sway_output = sway_output;
output->name = name ? strdup(name) : NULL;
output->width = size.width;
output->height = size.width;
// TODO configure output layout position
wlr_output_layout_add_auto(root_container.output_layout,
sway_output->wlr_output);
apply_output_config(oc, output);
add_child(&root_container, output);
// Create workspace
char *ws_name = workspace_next_name(output->name);
sway_log(L_DEBUG, "Creating default workspace %s", ws_name);
new_workspace(output, ws_name);
free(ws_name);
return output;
}
swayc_t *new_workspace(swayc_t *output, const char *name) {
if (!sway_assert(output, "new_workspace called with null output")) {
return NULL;
}
sway_log(L_DEBUG, "Added workspace %s for output %s", name, output->name);
swayc_t *workspace = new_swayc(C_WORKSPACE);
workspace->x = output->x;
workspace->y = output->y;
workspace->width = output->width;
workspace->height = output->height;
workspace->name = !name ? NULL : strdup(name);
workspace->prev_layout = L_NONE;
workspace->layout = default_layout(output);
workspace->workspace_layout = default_layout(output);
add_child(output, workspace);
sort_workspaces(output);
return workspace;
}
swayc_t *new_view(swayc_t *sibling, struct sway_view *sway_view) {
if (!sway_assert(sibling, "new_view called with NULL sibling/parent")) {
return NULL;
}
const char *title = sway_view->iface.get_prop(sway_view, VIEW_PROP_TITLE);
swayc_t *swayc = new_swayc(C_VIEW);
sway_log(L_DEBUG, "Adding new view %p:%s to container %p %d",
swayc, title, sibling, sibling ? sibling->type : 0);
// Setup values
swayc->sway_view = sway_view;
swayc->name = title ? strdup(title) : NULL;
swayc->width = 0;
swayc->height = 0;
if (sibling->type == C_WORKSPACE) {
// Case of focused workspace, just create as child of it
add_child(sibling, swayc);
} else {
// Regular case, create as sibling of current container
// TODO WLR
//add_sibling(sibling, swayc);
}
return swayc;
}
static void free_swayc(swayc_t *cont) {
if (!sway_assert(cont, "free_swayc passed NULL")) {
return;
}
if (cont->children) {
// remove children until there are no more, free_swayc calls
// remove_child, which removes child from this container
while (cont->children->length) {
free_swayc(cont->children->items[0]);
}
list_free(cont->children);
}
if (cont->marks) {
list_foreach(cont->marks, free);
list_free(cont->marks);
}
if (cont->parent) {
remove_child(cont);
}
if (cont->name) {
free(cont->name);
}
free(cont);
}
swayc_t *destroy_output(swayc_t *output) {
if (!sway_assert(output, "null output passed to destroy_output")) {
return NULL;
}
if (output->children->length > 0) {
// TODO save workspaces when there are no outputs.
// TODO also check if there will ever be no outputs except for exiting
// program
if (root_container.children->length > 1) {
int p = root_container.children->items[0] == output;
// Move workspace from this output to another output
while (output->children->length) {
swayc_t *child = output->children->items[0];
remove_child(child);
add_child(root_container.children->items[p], child);
}
sort_workspaces(root_container.children->items[p]);
// TODO WLR: is this needed anymore?
//update_visibility(root_container.children->items[p]);
arrange_windows(root_container.children->items[p], -1, -1);
}
}
sway_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);
free_swayc(output);
update_root_geometry();
return &root_container;
}
swayc_t *destroy_view(swayc_t *view) {
if (!sway_assert(view, "null view passed to destroy_view")) {
return NULL;
}
sway_log(L_DEBUG, "Destroying view '%s'", view->name);
swayc_t *parent = view->parent;
free_swayc(view);
// TODO WLR: Destroy empty containers
/*
if (parent && parent->type == C_CONTAINER) {
return destroy_container(parent);
}
*/
return parent;
}
swayc_t *swayc_parent_by_type(swayc_t *container, enum swayc_types type) {
if (!sway_assert(container, "container is NULL")) {
return NULL;
}
if (!sway_assert(type < C_TYPES && type >= C_ROOT, "invalid type")) {
return NULL;
}
do {
container = container->parent;
} while (container && container->type != type);
return container;
}
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