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implement "focused container" feature for swaygrab

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Zandr Martin 2016-09-18 16:41:08 -05:00
parent 043640820f
commit 0516dba3f6
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6 changed files with 221 additions and 48 deletions
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swaygrab/json.c Normal file
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#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include "ipc-client.h"
#include "swaygrab/json.h"
static json_object *tree;
void init_json_tree(int socketfd) {
uint32_t len = 0;
char *res = ipc_single_command(socketfd, IPC_GET_TREE, NULL, &len);
tree = json_tokener_parse(res);
}
void free_json_tree() {
json_object_put(tree);
}
static bool is_focused(json_object *c) {
json_object *focused;
json_object_object_get_ex(c, "focused", &focused);
return json_object_get_boolean(focused);
}
static json_object *get_focused_container_r(json_object *c) {
json_object *name;
json_object_object_get_ex(c, "name", &name);
if (is_focused(c)) {
return c;
} else {
json_object *nodes, *node, *child;
json_object_object_get_ex(c, "nodes", &nodes);
int i;
for (i = 0; i < json_object_array_length(nodes); i++) {
node = json_object_array_get_idx(nodes, i);
if ((child = get_focused_container_r(node))) {
return child;
}
}
json_object_object_get_ex(c, "floating_nodes", &nodes);
for (i = 0; i < json_object_array_length(nodes); i++) {
node = json_object_array_get_idx(nodes, i);
if ((child = get_focused_container_r(node))) {
return child;
}
}
}
return NULL;
}
json_object *get_focused_container() {
return get_focused_container_r(tree);
}
char *get_focused_output() {
json_object *outputs, *output, *name;
json_object_object_get_ex(tree, "nodes", &outputs);
for (int i = 0; i < json_object_array_length(outputs); i++) {
output = json_object_array_get_idx(outputs, i);
if (get_focused_container_r(output)) {
json_object_object_get_ex(output, "name", &name);
return strdup(json_object_get_string(name));
}
}
return NULL;
}
char *create_payload(const char *output, struct wlc_geometry *g) {
char *payload_str = malloc(256);
json_object *payload = json_object_new_object();
json_object_object_add(payload, "output", json_object_new_string(output));
json_object_object_add(payload, "x", json_object_new_int(g->origin.x));
json_object_object_add(payload, "y", json_object_new_int(g->origin.y));
json_object_object_add(payload, "w", json_object_new_int(g->size.w));
json_object_object_add(payload, "h", json_object_new_int(g->size.h));
snprintf(payload_str, 256, "%s", json_object_to_json_string(payload));
return strdup(payload_str);
}
struct wlc_geometry *get_container_geometry(json_object *container) {
struct wlc_geometry *geo = malloc(sizeof(struct wlc_geometry));
json_object *rect, *x, *y, *w, *h;
json_object_object_get_ex(container, "rect", &rect);
json_object_object_get_ex(rect, "x", &x);
json_object_object_get_ex(rect, "y", &y);
json_object_object_get_ex(rect, "width", &w);
json_object_object_get_ex(rect, "height", &h);
geo->origin.x = json_object_get_int(x);
geo->origin.y = json_object_get_int(y);
geo->size.w = json_object_get_int(w);
geo->size.h = json_object_get_int(h);
return geo;
}
json_object *get_output_container(const char *output) {
json_object *outputs, *json_output, *name;
json_object_object_get_ex(tree, "nodes", &outputs);
for (int i = 0; i < json_object_array_length(outputs); i++) {
json_output = json_object_array_get_idx(outputs, i);
json_object_object_get_ex(json_output, "name", &name);
if (strcmp(json_object_get_string(name), output) == 0) {
return json_output;
}
}
return NULL;
}