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implement get_tree command

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This commit is contained in:
Zandr Martin 2016-07-04 13:34:44 -05:00
parent 7144fb9fc3
commit 15a324b0d3
Failed to generate hash of commit
6 changed files with 385 additions and 152 deletions
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13
include/ipc-json.h Normal file
View file

@ -0,0 +1,13 @@
#ifndef _SWAY_IPC_JSON_H
#define _SWAY_IPC_JSON_H
#include <json-c/json.h>
#include "config.h"
#include "container.h"
json_object *ipc_json_get_version();
json_object *ipc_json_describe_bar_config(struct bar_config *bar);
json_object *ipc_json_describe_container(swayc_t *c);
json_object *ipc_json_describe_container_recursive(swayc_t *c);
#endif

1
sway/CMakeLists.txt
View file

@ -21,6 +21,7 @@ add_executable(sway
handlers.c
input.c
input_state.c
ipc-json.c
ipc-server.c
layout.c
main.c

26
sway/container.c
View file

@ -75,6 +75,30 @@ static void free_swayc(swayc_t *cont) {
free(cont);
}
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;
}
// New containers
swayc_t *new_output(wlc_handle handle) {
@ -167,6 +191,7 @@ swayc_t *new_output(wlc_handle handle) {
}
free(ws_name);
update_root_geometry();
return output;
}
@ -393,6 +418,7 @@ swayc_t *destroy_output(swayc_t *output) {
}
sway_log(L_DEBUG, "OUTPUT: Destroying output '%" PRIuPTR "'", output->handle);
free_swayc(output);
update_root_geometry();
return &root_container;
}

326
sway/ipc-json.c Normal file
View file

@ -0,0 +1,326 @@
#include <json-c/json.h>
#include <ctype.h>
#include <string.h>
#include "container.h"
#include "util.h"
#include "ipc-json.h"
static json_object *ipc_json_create_rect(swayc_t *c) {
json_object *rect = json_object_new_object();
json_object_object_add(rect, "x", json_object_new_int((int32_t)c->x));
json_object_object_add(rect, "y", json_object_new_int((int32_t)c->y));
json_object_object_add(rect, "width", json_object_new_int((int32_t)c->width));
json_object_object_add(rect, "height", json_object_new_int((int32_t)c->height));
return rect;
}
static const char *ipc_json_border_description(swayc_t *c) {
const char *border;
switch (c->border_type) {
case B_PIXEL:
border = "1pixel";
break;
case B_NORMAL:
border = "normal";
break;
case B_NONE: // fallthrough
default:
border = "none";
break;
}
return border;
}
static const char *ipc_json_layout_description(swayc_t *c) {
const char *layout;
switch (c->layout) {
case L_VERT:
layout = "splitv";
break;
case L_HORIZ:
layout = "splith";
break;
case L_TABBED:
layout = "tabbed";
break;
case L_STACKED:
layout = "stacked";
break;
case L_FLOATING:
layout = "floating";
break;
case L_NONE: // fallthrough
case L_LAYOUTS: // fallthrough; this should never happen, I'm just trying to silence compiler warnings
default:
layout = "null";
break;
}
return layout;
}
static float ipc_json_child_percentage(swayc_t *c) {
float percent = 0;
swayc_t *parent = c->parent;
if (parent) {
switch (parent->layout) {
case L_VERT:
percent = c->height / parent->height;
break;
case L_HORIZ:
percent = c->width / parent->width;
break;
case L_STACKED: // fallthrough
case L_TABBED: // fallthrough
percent = 1.0;
break;
default:
break;
}
}
return percent;
}
static void ipc_json_describe_output(swayc_t *output, json_object *object) {
json_object_object_add(object, "active", json_object_new_boolean(true));
json_object_object_add(object, "primary", json_object_new_boolean(false));
json_object_object_add(object, "layout", json_object_new_string("output"));
json_object_object_add(object, "type", json_object_new_string("output"));
json_object_object_add(object, "current_workspace",
(output->focused) ? json_object_new_string(output->focused->name) : NULL);
}
static void ipc_json_describe_workspace(swayc_t *workspace, json_object *object) {
int num = (isdigit(workspace->name[0])) ? atoi(workspace->name) : -1;
bool focused = root_container.focused == workspace->parent && workspace->parent->focused == workspace;
json_object_object_add(object, "num", json_object_new_int(num));
json_object_object_add(object, "visible", json_object_new_boolean(workspace->visible));
json_object_object_add(object, "focused", json_object_new_boolean(focused));
json_object_object_add(object, "output", json_object_new_string((workspace->parent) ? workspace->parent->name : "null"));
json_object_object_add(object, "urgent", json_object_new_boolean(false));
json_object_object_add(object, "type", json_object_new_string("workspace"));
json_object_object_add(object, "layout", json_object_new_string(ipc_json_layout_description(workspace)));
}
static void ipc_json_describe_view(swayc_t *view, json_object *object) {
float percent = ipc_json_child_percentage(view);
json_object_object_add(object, "border", json_object_new_string(ipc_json_border_description(view)));
json_object_object_add(object, "current_border_width", json_object_new_int(view->border_thickness));
json_object_object_add(object, "percent", (percent > 0) ? json_object_new_double(percent) : json_object_new_string("null"));
// TODO: make urgency actually work once Sway supports it
json_object_object_add(object, "urgent", json_object_new_boolean(false));
json_object_object_add(object, "focused", json_object_new_boolean(view->is_focused));
json_object_object_add(object, "type", json_object_new_string((view->is_floating) ? "floating_con" : "con"));
json_object_object_add(object, "layout", json_object_new_string(ipc_json_layout_description(view)));
if (view->class) {
json_object_object_add(object, "class", json_object_new_string(view->class));
}
if (view->app_id) {
json_object_object_add(object, "app_id", json_object_new_string(view->app_id));
}
}
json_object *ipc_json_describe_container(swayc_t *c) {
if (!(sway_assert(c, "Container must not be null."))) {
return NULL;
}
json_object *object = json_object_new_object();
json_object_object_add(object, "id", json_object_new_int((int64_t)&c));
json_object_object_add(object, "name", json_object_new_string(c->name));
json_object_object_add(object, "rect", ipc_json_create_rect(c));
switch (c->type) {
case C_ROOT:
json_object_object_add(object, "type", json_object_new_string("root"));
break;
case C_OUTPUT:
ipc_json_describe_output(c, object);
break;
case C_CONTAINER: // fallthrough
case C_VIEW:
ipc_json_describe_view(c, object);
break;
case C_WORKSPACE:
ipc_json_describe_workspace(c, object);
break;
case C_TYPES: // fallthrough; this should never happen, I'm just trying to silence compiler warnings
default:
break;
}
return object;
}
json_object *ipc_json_get_version() {
json_object *version = json_object_new_object();
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
char *full_version = calloc(strlen(SWAY_GIT_VERSION) + strlen(SWAY_GIT_BRANCH) + strlen(SWAY_VERSION_DATE) + 20, 1);
strcat(full_version, SWAY_GIT_VERSION);
strcat(full_version, " (");
strcat(full_version, SWAY_VERSION_DATE);
strcat(full_version, ", branch \"");
strcat(full_version, SWAY_GIT_BRANCH);
strcat(full_version, "\")");
json_object_object_add(version, "human_readable", json_object_new_string(full_version));
json_object_object_add(version, "variant", json_object_new_string("sway"));
// Todo once we actually release a version
json_object_object_add(version, "major", json_object_new_int(0));
json_object_object_add(version, "minor", json_object_new_int(0));
json_object_object_add(version, "patch", json_object_new_int(1));
#else
json_object_object_add(version, "human_readable", json_object_new_string("version not found"));
json_object_object_add(version, "major", json_object_new_int(0));
json_object_object_add(version, "minor", json_object_new_int(0));
json_object_object_add(version, "patch", json_object_new_int(0));
#endif
return version;
}
json_object *ipc_json_describe_bar_config(struct bar_config *bar) {
if (!sway_assert(bar, "Bar must not be NULL")) {
return NULL;
}
json_object *json = json_object_new_object();
json_object_object_add(json, "id", json_object_new_string(bar->id));
json_object_object_add(json, "tray_output", NULL);
json_object_object_add(json, "mode", json_object_new_string(bar->mode));
json_object_object_add(json, "hidden_state", json_object_new_string(bar->hidden_state));
json_object_object_add(json, "modifier", json_object_new_string(get_modifier_name_by_mask(bar->modifier)));
switch (bar->position) {
case DESKTOP_SHELL_PANEL_POSITION_TOP:
json_object_object_add(json, "position", json_object_new_string("top"));
break;
case DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
json_object_object_add(json, "position", json_object_new_string("bottom"));
break;
case DESKTOP_SHELL_PANEL_POSITION_LEFT:
json_object_object_add(json, "position", json_object_new_string("left"));
break;
case DESKTOP_SHELL_PANEL_POSITION_RIGHT:
json_object_object_add(json, "position", json_object_new_string("right"));
break;
}
json_object_object_add(json, "status_command", json_object_new_string(bar->status_command));
json_object_object_add(json, "font", json_object_new_string((bar->font) ? bar->font : config->font));
if (bar->separator_symbol) {
json_object_object_add(json, "separator_symbol", json_object_new_string(bar->separator_symbol));
}
json_object_object_add(json, "bar_height", json_object_new_int(bar->height));
json_object_object_add(json, "workspace_buttons", json_object_new_boolean(bar->workspace_buttons));
json_object_object_add(json, "strip_workspace_numbers", json_object_new_boolean(bar->strip_workspace_numbers));
json_object_object_add(json, "binding_mode_indicator", json_object_new_boolean(bar->binding_mode_indicator));
json_object_object_add(json, "verbose", json_object_new_boolean(bar->verbose));
json_object_object_add(json, "pango_markup", json_object_new_boolean(bar->pango_markup));
json_object *colors = json_object_new_object();
json_object_object_add(colors, "background", json_object_new_string(bar->colors.background));
json_object_object_add(colors, "statusline", json_object_new_string(bar->colors.statusline));
json_object_object_add(colors, "separator", json_object_new_string(bar->colors.separator));
json_object_object_add(colors, "focused_workspace_border", json_object_new_string(bar->colors.focused_workspace_border));
json_object_object_add(colors, "focused_workspace_bg", json_object_new_string(bar->colors.focused_workspace_bg));
json_object_object_add(colors, "focused_workspace_text", json_object_new_string(bar->colors.focused_workspace_text));
json_object_object_add(colors, "inactive_workspace_border", json_object_new_string(bar->colors.inactive_workspace_border));
json_object_object_add(colors, "inactive_workspace_bg", json_object_new_string(bar->colors.inactive_workspace_bg));
json_object_object_add(colors, "inactive_workspace_text", json_object_new_string(bar->colors.inactive_workspace_text));
json_object_object_add(colors, "active_workspace_border", json_object_new_string(bar->colors.active_workspace_border));
json_object_object_add(colors, "active_workspace_bg", json_object_new_string(bar->colors.active_workspace_bg));
json_object_object_add(colors, "active_workspace_text", json_object_new_string(bar->colors.active_workspace_text));
json_object_object_add(colors, "urgent_workspace_border", json_object_new_string(bar->colors.urgent_workspace_border));
json_object_object_add(colors, "urgent_workspace_bg", json_object_new_string(bar->colors.urgent_workspace_bg));
json_object_object_add(colors, "urgent_workspace_text", json_object_new_string(bar->colors.urgent_workspace_text));
json_object_object_add(colors, "binding_mode_border", json_object_new_string(bar->colors.binding_mode_border));
json_object_object_add(colors, "binding_mode_bg", json_object_new_string(bar->colors.binding_mode_bg));
json_object_object_add(colors, "binding_mode_text", json_object_new_string(bar->colors.binding_mode_text));
json_object_object_add(json, "colors", colors);
// Add outputs if defined
if (bar->outputs && bar->outputs->length > 0) {
json_object *outputs = json_object_new_array();
int i;
for (i = 0; i < bar->outputs->length; ++i) {
const char *name = bar->outputs->items[i];
json_object_array_add(outputs, json_object_new_string(name));
}
json_object_object_add(json, "outputs", outputs);
}
return json;
}
json_object *ipc_json_describe_container_recursive(swayc_t *c) {
json_object *object = ipc_json_describe_container(c);
int i;
json_object *floating = json_object_new_array();
if (c->floating && c->floating->length > 0) {
for (i = 0; i < c->floating->length; ++i) {
json_object_array_add(floating, ipc_json_describe_container_recursive(c->floating->items[i]));
}
}
json_object_object_add(object, "floating_nodes", floating);
json_object *children = json_object_new_array();
if (c->children && c->children->length > 0) {
for (i = 0; i < c->children->length; ++i) {
json_object_array_add(children, ipc_json_describe_container_recursive(c->children->items[i]));
}
}
json_object_object_add(object, "nodes", children);
json_object *unmanaged = json_object_new_array();
if (c->unmanaged && c->unmanaged->length > 0) {
for (i = 0; i < c->unmanaged->length; ++i) {
json_object_array_add(unmanaged, ipc_json_describe_container_recursive(c->unmanaged->items[i]));
}
}
json_object_object_add(object, "unmanaged_nodes", unmanaged);
if (c->type == C_ROOT) {
json_object *scratchpad_json = json_object_new_array();
if (scratchpad->length > 0) {
for (i = 0; i < scratchpad->length; ++i) {
json_object_array_add(scratchpad_json, ipc_json_describe_container_recursive(scratchpad->items[i]));
}
}
json_object_object_add(object, "scratchpad", unmanaged);
}
return object;
}

168
sway/ipc-server.c
View file

@ -10,10 +10,10 @@
#include <stdlib.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <ctype.h>
#include <json-c/json.h>
#include <list.h>
#include <libinput.h>
#include "ipc-json.h"
#include "ipc-server.h"
#include "log.h"
#include "config.h"
@ -53,7 +53,6 @@ void ipc_client_handle_command(struct ipc_client *client);
bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t payload_length);
void ipc_get_workspaces_callback(swayc_t *workspace, void *data);
void ipc_get_outputs_callback(swayc_t *container, void *data);
json_object *ipc_json_describe_bar_config(struct bar_config *bar);
void ipc_init(void) {
ipc_socket = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
@ -399,33 +398,21 @@ void ipc_client_handle_command(struct ipc_client *client) {
goto exit_cleanup;
}
case IPC_GET_TREE:
{
json_object *tree = ipc_json_describe_container_recursive(&root_container);
const char *json_string = json_object_to_json_string(tree);
ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
json_object_put(tree);
goto exit_cleanup;
}
case IPC_GET_VERSION:
{
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
char *full_version = calloc(strlen(SWAY_GIT_VERSION) + strlen(SWAY_GIT_BRANCH) + strlen(SWAY_VERSION_DATE) + 20, 1);
strcat(full_version, SWAY_GIT_VERSION);
strcat(full_version, " (");
strcat(full_version, SWAY_VERSION_DATE);
strcat(full_version, ", branch \"");
strcat(full_version, SWAY_GIT_BRANCH);
strcat(full_version, "\")");
json_object *json = json_object_new_object();
json_object_object_add(json, "human_readable", json_object_new_string(full_version));
json_object_object_add(json, "variant", json_object_new_string("sway"));
// Todo once we actually release a version
json_object_object_add(json, "major", json_object_new_int(0));
json_object_object_add(json, "minor", json_object_new_int(0));
json_object_object_add(json, "patch", json_object_new_int(1));
#else
json_object_object_add(json, "human_readable", json_object_new_string("version not found"));
json_object_object_add(json, "major", json_object_new_int(0));
json_object_object_add(json, "minor", json_object_new_int(0));
json_object_object_add(json, "patch", json_object_new_int(0));
#endif
const char *json_string = json_object_to_json_string(json);
json_object *version = ipc_json_get_version();
const char *json_string = json_object_to_json_string(version);
ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
json_object_put(json); // free
free(full_version);
json_object_put(version); // free
goto exit_cleanup;
}
@ -518,139 +505,18 @@ bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t pay
return true;
}
json_object *ipc_json_describe_workspace(swayc_t *workspace) {
if (!sway_assert(workspace, "Workspace must not be NULL")) {
return NULL;
}
int num = isdigit(workspace->name[0]) ? atoi(workspace->name) : -1;
json_object *object = json_object_new_object();
json_object *rect = json_object_new_object();
json_object_object_add(rect, "x", json_object_new_int((int32_t) workspace->x));
json_object_object_add(rect, "y", json_object_new_int((int32_t) workspace->y));
json_object_object_add(rect, "width", json_object_new_int((int32_t) workspace->width));
json_object_object_add(rect, "height", json_object_new_int((int32_t) workspace->height));
json_object_object_add(object, "num", json_object_new_int(num));
json_object_object_add(object, "name", json_object_new_string(workspace->name));
json_object_object_add(object, "visible", json_object_new_boolean(workspace->visible));
bool focused = root_container.focused == workspace->parent && workspace->parent->focused == workspace;
json_object_object_add(object, "focused", json_object_new_boolean(focused));
json_object_object_add(object, "rect", rect);
json_object_object_add(object, "output", json_object_new_string(workspace->parent ? workspace->parent->name : "null"));
json_object_object_add(object, "urgent", json_object_new_boolean(false));
return object;
}
void ipc_get_workspaces_callback(swayc_t *workspace, void *data) {
if (workspace->type == C_WORKSPACE) {
json_object_array_add((json_object *)data, ipc_json_describe_workspace(workspace));
json_object_array_add((json_object *)data, ipc_json_describe_container(workspace));
}
}
json_object *ipc_json_describe_output(swayc_t *output) {
json_object *object = json_object_new_object();
json_object *rect = json_object_new_object();
json_object_object_add(rect, "x", json_object_new_int((int32_t) output->x));
json_object_object_add(rect, "y", json_object_new_int((int32_t) output->y));
json_object_object_add(rect, "width", json_object_new_int((int32_t) output->width));
json_object_object_add(rect, "height", json_object_new_int((int32_t) output->height));
json_object_object_add(object, "name", json_object_new_string(output->name));
json_object_object_add(object, "active", json_object_new_boolean(true));
json_object_object_add(object, "primary", json_object_new_boolean(false));
json_object_object_add(object, "rect", rect);
json_object_object_add(object, "current_workspace",
output->focused ? json_object_new_string(output->focused->name) : NULL);
return object;
}
void ipc_get_outputs_callback(swayc_t *container, void *data) {
if (container->type == C_OUTPUT) {
json_object_array_add((json_object *)data, ipc_json_describe_output(container));
json_object_array_add((json_object *)data, ipc_json_describe_container(container));
}
}
json_object *ipc_json_describe_bar_config(struct bar_config *bar) {
if (!sway_assert(bar, "Bar must not be NULL")) {
return NULL;
}
json_object *json = json_object_new_object();
json_object_object_add(json, "id", json_object_new_string(bar->id));
json_object_object_add(json, "tray_output", NULL);
json_object_object_add(json, "mode", json_object_new_string(bar->mode));
json_object_object_add(json, "hidden_state", json_object_new_string(bar->hidden_state));
json_object_object_add(json, "modifier", json_object_new_string(get_modifier_name_by_mask(bar->modifier)));
switch (bar->position) {
case DESKTOP_SHELL_PANEL_POSITION_TOP:
json_object_object_add(json, "position", json_object_new_string("top"));
break;
case DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
json_object_object_add(json, "position", json_object_new_string("bottom"));
break;
case DESKTOP_SHELL_PANEL_POSITION_LEFT:
json_object_object_add(json, "position", json_object_new_string("left"));
break;
case DESKTOP_SHELL_PANEL_POSITION_RIGHT:
json_object_object_add(json, "position", json_object_new_string("right"));
break;
}
json_object_object_add(json, "status_command", json_object_new_string(bar->status_command));
json_object_object_add(json, "font", json_object_new_string(bar->font ? bar->font : config->font));
if (bar->separator_symbol) {
json_object_object_add(json, "separator_symbol", json_object_new_string(bar->separator_symbol));
}
json_object_object_add(json, "bar_height", json_object_new_int(bar->height));
json_object_object_add(json, "workspace_buttons", json_object_new_boolean(bar->workspace_buttons));
json_object_object_add(json, "strip_workspace_numbers", json_object_new_boolean(bar->strip_workspace_numbers));
json_object_object_add(json, "binding_mode_indicator", json_object_new_boolean(bar->binding_mode_indicator));
json_object_object_add(json, "verbose", json_object_new_boolean(bar->verbose));
json_object_object_add(json, "pango_markup", json_object_new_boolean(bar->pango_markup));
json_object *colors = json_object_new_object();
json_object_object_add(colors, "background", json_object_new_string(bar->colors.background));
json_object_object_add(colors, "statusline", json_object_new_string(bar->colors.statusline));
json_object_object_add(colors, "separator", json_object_new_string(bar->colors.separator));
json_object_object_add(colors, "focused_workspace_border", json_object_new_string(bar->colors.focused_workspace_border));
json_object_object_add(colors, "focused_workspace_bg", json_object_new_string(bar->colors.focused_workspace_bg));
json_object_object_add(colors, "focused_workspace_text", json_object_new_string(bar->colors.focused_workspace_text));
json_object_object_add(colors, "inactive_workspace_border", json_object_new_string(bar->colors.inactive_workspace_border));
json_object_object_add(colors, "inactive_workspace_bg", json_object_new_string(bar->colors.inactive_workspace_bg));
json_object_object_add(colors, "inactive_workspace_text", json_object_new_string(bar->colors.inactive_workspace_text));
json_object_object_add(colors, "active_workspace_border", json_object_new_string(bar->colors.active_workspace_border));
json_object_object_add(colors, "active_workspace_bg", json_object_new_string(bar->colors.active_workspace_bg));
json_object_object_add(colors, "active_workspace_text", json_object_new_string(bar->colors.active_workspace_text));
json_object_object_add(colors, "urgent_workspace_border", json_object_new_string(bar->colors.urgent_workspace_border));
json_object_object_add(colors, "urgent_workspace_bg", json_object_new_string(bar->colors.urgent_workspace_bg));
json_object_object_add(colors, "urgent_workspace_text", json_object_new_string(bar->colors.urgent_workspace_text));
json_object_object_add(colors, "binding_mode_border", json_object_new_string(bar->colors.binding_mode_border));
json_object_object_add(colors, "binding_mode_bg", json_object_new_string(bar->colors.binding_mode_bg));
json_object_object_add(colors, "binding_mode_text", json_object_new_string(bar->colors.binding_mode_text));
json_object_object_add(json, "colors", colors);
// Add outputs if defined
if (bar->outputs && bar->outputs->length > 0) {
json_object *outputs = json_object_new_array();
int i;
for (i = 0; i < bar->outputs->length; ++i) {
const char *name = bar->outputs->items[i];
json_object_array_add(outputs, json_object_new_string(name));
}
json_object_object_add(json, "outputs", outputs);
}
return json;
}
void ipc_send_event(const char *json_string, enum ipc_command_type event) {
int i;
struct ipc_client *client;
@ -672,14 +538,14 @@ void ipc_event_workspace(swayc_t *old, swayc_t *new, const char *change) {
json_object_object_add(obj, "change", json_object_new_string(change));
if (strcmp("focus", change) == 0) {
if (old) {
json_object_object_add(obj, "old", ipc_json_describe_workspace(old));
json_object_object_add(obj, "old", ipc_json_describe_container(old));
} else {
json_object_object_add(obj, "old", NULL);
}
}
if (new) {
json_object_object_add(obj, "current", ipc_json_describe_workspace(new));
json_object_object_add(obj, "current", ipc_json_describe_container(new));
} else {
json_object_object_add(obj, "current", NULL);
}

1
sway/layout.c
View file

@ -23,6 +23,7 @@ int min_sane_w = 100;
void init_layout(void) {
root_container.type = C_ROOT;
root_container.layout = L_NONE;
root_container.name = strdup("root");
root_container.children = create_list();
root_container.handle = -1;
root_container.visible = true;