Modular status panel for X11 and Wayland, inspired by https://github.com/jaagr/polybar
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#include <stdlib.h>
#define LOG_MODULE "stack"
#include "../log.h"
#include "../config.h"
#include "../config-verify.h"
#include "../decoration.h"
#include "../plugin.h"
struct private {
struct deco **decos;
size_t count;
};
static void
destroy(struct deco *deco)
{
struct private *d = deco->private;
for (size_t i = 0; i < d->count; i++)
d->decos[i]->destroy(d->decos[i]);
free(d->decos);
free(d);
free(deco);
}
static void
expose(const struct deco *deco, pixman_image_t *pix, int x, int y, int width, int height)
{
const struct private *d = deco->private;
for (size_t i = 0; i < d->count; i++)
d->decos[i]->expose(d->decos[i], pix, x, y, width, height);
}
static struct deco *
stack_new(struct deco *decos[], size_t count)
{
struct private *priv = calloc(1, sizeof(*priv));
priv->decos = malloc(count * sizeof(priv->decos[0]));
priv->count = count;
for (size_t i = 0; i < count; i++)
priv->decos[i] = decos[i];
struct deco *deco = calloc(1, sizeof(*deco));
deco->private = priv;
deco->expose = &expose;
deco->destroy = &destroy;
return deco;
}
static struct deco *
from_conf(const struct yml_node *node)
{
size_t count = yml_list_length(node);
struct deco *decos[count];
size_t idx = 0;
for (struct yml_list_iter it = yml_list_iter(node);
it.node != NULL;
yml_list_next(&it), idx++)
{
decos[idx] = conf_to_deco(it.node);
}
return stack_new(decos, count);
}
static bool
verify_conf(keychain_t *chain, const struct yml_node *node)
{
if (!yml_is_list(node)) {
LOG_ERR("%s: must be a list of decorations", conf_err_prefix(chain, node));
return false;
}
for (struct yml_list_iter it = yml_list_iter(node);
it.node != NULL;
yml_list_next(&it))
{
if (!conf_verify_decoration(chain, it.node))
return false;
}
return true;
}
const struct deco_iface deco_stack_iface = {
.verify_conf = &verify_conf,
.from_conf = &from_conf,
};
#if defined(CORE_PLUGINS_AS_SHARED_LIBRARIES)
extern const struct deco_iface iface __attribute__((weak, alias("deco_stack_iface")));
#endif