sway/swaybar/ipc.c

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C
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#define _XOPEN_SOURCE 500
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#include <string.h>
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#include <strings.h>
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#include <json-c/json.h>
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#include "swaybar/config.h"
#include "swaybar/ipc.h"
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#include "ipc-client.h"
#include "list.h"
#include "log.h"
void ipc_send_workspace_command(const char *workspace_name) {
uint32_t size = strlen("workspace \"\"") + strlen(workspace_name) + 1;
char command[size];
sprintf(command, "workspace \"%s\"", workspace_name);
ipc_single_command(swaybar.ipc_socketfd, IPC_COMMAND, command, &size);
}
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static void ipc_parse_config(struct config *config, const char *payload) {
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json_object *bar_config = json_tokener_parse(payload);
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json_object *tray_output, *mode, *hidden_bar, *position, *status_command;
json_object *font, *bar_height, *wrap_scroll, *workspace_buttons, *strip_workspace_numbers;
json_object *binding_mode_indicator, *verbose, *colors, *sep_symbol, *outputs;
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json_object *markup;
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json_object_object_get_ex(bar_config, "tray_output", &tray_output);
json_object_object_get_ex(bar_config, "mode", &mode);
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json_object_object_get_ex(bar_config, "hidden_bar", &hidden_bar);
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json_object_object_get_ex(bar_config, "position", &position);
json_object_object_get_ex(bar_config, "status_command", &status_command);
json_object_object_get_ex(bar_config, "font", &font);
json_object_object_get_ex(bar_config, "bar_height", &bar_height);
json_object_object_get_ex(bar_config, "wrap_scroll", &wrap_scroll);
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json_object_object_get_ex(bar_config, "workspace_buttons", &workspace_buttons);
json_object_object_get_ex(bar_config, "strip_workspace_numbers", &strip_workspace_numbers);
json_object_object_get_ex(bar_config, "binding_mode_indicator", &binding_mode_indicator);
json_object_object_get_ex(bar_config, "verbose", &verbose);
json_object_object_get_ex(bar_config, "separator_symbol", &sep_symbol);
json_object_object_get_ex(bar_config, "colors", &colors);
json_object_object_get_ex(bar_config, "outputs", &outputs);
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json_object_object_get_ex(bar_config, "pango_markup", &markup);
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if (status_command) {
free(config->status_command);
config->status_command = strdup(json_object_get_string(status_command));
}
if (position) {
config->position = parse_position(json_object_get_string(position));
}
if (font) {
free(config->font);
config->font = parse_font(json_object_get_string(font));
}
if (sep_symbol) {
free(config->sep_symbol);
config->sep_symbol = strdup(json_object_get_string(sep_symbol));
}
if (strip_workspace_numbers) {
config->strip_workspace_numbers = json_object_get_boolean(strip_workspace_numbers);
}
if (binding_mode_indicator) {
config->binding_mode_indicator = json_object_get_boolean(binding_mode_indicator);
}
if (wrap_scroll) {
config->wrap_scroll = json_object_get_boolean(wrap_scroll);
}
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if (workspace_buttons) {
config->workspace_buttons = json_object_get_boolean(workspace_buttons);
}
if (bar_height) {
config->height = json_object_get_int(bar_height);
}
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if (markup) {
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config->pango_markup = json_object_get_boolean(markup);
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}
// free previous outputs list
int i;
for (i = 0; i < config->outputs->length; ++i) {
free(config->outputs->items[i]);
}
list_free(config->outputs);
config->outputs = create_list();
if (outputs) {
int length = json_object_array_length(outputs);
json_object *output;
const char *output_str;
for (i = 0; i < length; ++i) {
output = json_object_array_get_idx(outputs, i);
output_str = json_object_get_string(output);
if (strcmp("*", output_str) == 0) {
config->all_outputs = true;
break;
}
list_add(config->outputs, strdup(output_str));
}
} else {
config->all_outputs = true;
}
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if (colors) {
json_object *background, *statusline, *separator;
json_object *focused_background, *focused_statusline, *focused_separator;
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json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
json_object_object_get_ex(colors, "background", &background);
json_object_object_get_ex(colors, "statusline", &statusline);
json_object_object_get_ex(colors, "separator", &separator);
json_object_object_get_ex(colors, "focused_background", &focused_background);
json_object_object_get_ex(colors, "focused_statusline", &focused_statusline);
json_object_object_get_ex(colors, "focused_separator", &focused_separator);
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json_object_object_get_ex(colors, "focused_workspace_border", &focused_workspace_border);
json_object_object_get_ex(colors, "focused_workspace_bg", &focused_workspace_bg);
json_object_object_get_ex(colors, "focused_workspace_text", &focused_workspace_text);
json_object_object_get_ex(colors, "active_workspace_border", &active_workspace_border);
json_object_object_get_ex(colors, "active_workspace_bg", &active_workspace_bg);
json_object_object_get_ex(colors, "active_workspace_text", &active_workspace_text);
json_object_object_get_ex(colors, "inactive_workspace_border", &inactive_workspace_border);
json_object_object_get_ex(colors, "inactive_workspace_bg", &inactive_workspace_bg);
json_object_object_get_ex(colors, "inactive_workspace_text", &inactive_workspace_text);
json_object_object_get_ex(colors, "urgent_workspace_border", &urgent_workspace_border);
json_object_object_get_ex(colors, "urgent_workspace_bg", &urgent_workspace_bg);
json_object_object_get_ex(colors, "urgent_workspace_text", &urgent_workspace_text);
json_object_object_get_ex(colors, "binding_mode_border", &binding_mode_border);
json_object_object_get_ex(colors, "binding_mode_bg", &binding_mode_bg);
json_object_object_get_ex(colors, "binding_mode_text", &binding_mode_text);
if (background) {
config->colors.background = parse_color(json_object_get_string(background));
}
if (statusline) {
config->colors.statusline = parse_color(json_object_get_string(statusline));
}
if (separator) {
config->colors.separator = parse_color(json_object_get_string(separator));
}
if (focused_background) {
config->colors.focused_background = parse_color(json_object_get_string(focused_background));
}
if (focused_statusline) {
config->colors.focused_statusline = parse_color(json_object_get_string(focused_statusline));
}
if (focused_separator) {
config->colors.focused_separator = parse_color(json_object_get_string(focused_separator));
}
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if (focused_workspace_border) {
config->colors.focused_workspace.border = parse_color(json_object_get_string(focused_workspace_border));
}
if (focused_workspace_bg) {
config->colors.focused_workspace.background = parse_color(json_object_get_string(focused_workspace_bg));
}
if (focused_workspace_text) {
config->colors.focused_workspace.text = parse_color(json_object_get_string(focused_workspace_text));
}
if (active_workspace_border) {
config->colors.active_workspace.border = parse_color(json_object_get_string(active_workspace_border));
}
if (active_workspace_bg) {
config->colors.active_workspace.background = parse_color(json_object_get_string(active_workspace_bg));
}
if (active_workspace_text) {
config->colors.active_workspace.text = parse_color(json_object_get_string(active_workspace_text));
}
if (inactive_workspace_border) {
config->colors.inactive_workspace.border = parse_color(json_object_get_string(inactive_workspace_border));
}
if (inactive_workspace_bg) {
config->colors.inactive_workspace.background = parse_color(json_object_get_string(inactive_workspace_bg));
}
if (inactive_workspace_text) {
config->colors.inactive_workspace.text = parse_color(json_object_get_string(inactive_workspace_text));
}
if (binding_mode_border) {
config->colors.binding_mode.border = parse_color(json_object_get_string(binding_mode_border));
}
if (binding_mode_bg) {
config->colors.binding_mode.background = parse_color(json_object_get_string(binding_mode_bg));
}
if (binding_mode_text) {
config->colors.binding_mode.text = parse_color(json_object_get_string(binding_mode_text));
}
}
json_object_put(bar_config);
}
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static void ipc_update_workspaces(struct bar *bar) {
int i;
for (i = 0; i < bar->outputs->length; ++i) {
struct output *output = bar->outputs->items[i];
if (output->workspaces) {
free_workspaces(output->workspaces);
}
output->workspaces = create_list();
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}
uint32_t len = 0;
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char *res = ipc_single_command(bar->ipc_socketfd, IPC_GET_WORKSPACES, NULL, &len);
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json_object *results = json_tokener_parse(res);
if (!results) {
free(res);
return;
}
int length = json_object_array_length(results);
json_object *ws_json;
json_object *num, *name, *visible, *focused, *out, *urgent;
for (i = 0; i < length; ++i) {
ws_json = json_object_array_get_idx(results, i);
json_object_object_get_ex(ws_json, "num", &num);
json_object_object_get_ex(ws_json, "name", &name);
json_object_object_get_ex(ws_json, "visible", &visible);
json_object_object_get_ex(ws_json, "focused", &focused);
json_object_object_get_ex(ws_json, "output", &out);
json_object_object_get_ex(ws_json, "urgent", &urgent);
int j;
for (j = 0; j < bar->outputs->length; ++j) {
struct output *output = bar->outputs->items[j];
if (strcmp(json_object_get_string(out), output->name) == 0) {
struct workspace *ws = malloc(sizeof(struct workspace));
ws->num = json_object_get_int(num);
ws->name = strdup(json_object_get_string(name));
ws->visible = json_object_get_boolean(visible);
ws->focused = json_object_get_boolean(focused);
if (ws->focused) {
if (bar->focused_output) {
bar->focused_output->focused = false;
}
bar->focused_output = output;
output->focused = true;
}
ws->urgent = json_object_get_boolean(urgent);
list_add(output->workspaces, ws);
}
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}
}
json_object_put(results);
free(res);
}
void ipc_bar_init(struct bar *bar, const char *bar_id) {
// Get bar config
uint32_t len = strlen(bar_id);
char *res = ipc_single_command(bar->ipc_socketfd, IPC_GET_BAR_CONFIG, bar_id, &len);
ipc_parse_config(bar->config, res);
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free(res);
// Get outputs
len = 0;
res = ipc_single_command(bar->ipc_socketfd, IPC_GET_OUTPUTS, NULL, &len);
json_object *outputs = json_tokener_parse(res);
int i;
int length = json_object_array_length(outputs);
json_object *output, *output_name, *output_active;
const char *name;
bool active;
for (i = 0; i < length; ++i) {
output = json_object_array_get_idx(outputs, i);
json_object_object_get_ex(output, "name", &output_name);
json_object_object_get_ex(output, "active", &output_active);
name = json_object_get_string(output_name);
active = json_object_get_boolean(output_active);
if (!active) {
continue;
}
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bool use_output = false;
if (bar->config->all_outputs) {
use_output = true;
} else {
int j = 0;
for (j = 0; j < bar->config->outputs->length; ++j) {
const char *conf_name = bar->config->outputs->items[j];
if (strcasecmp(name, conf_name) == 0) {
use_output = true;
break;
}
}
}
if (!use_output) {
continue;
}
// add bar to the output
struct output *bar_output = new_output(name);
bar_output->idx = i;
list_add(bar->outputs, bar_output);
}
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free(res);
json_object_put(outputs);
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const char *subscribe_json = "[ \"workspace\", \"mode\" ]";
len = strlen(subscribe_json);
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res = ipc_single_command(bar->ipc_event_socketfd, IPC_SUBSCRIBE, subscribe_json, &len);
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free(res);
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ipc_update_workspaces(bar);
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}
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bool handle_ipc_event(struct bar *bar) {
struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
if (!resp) {
return false;
}
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switch (resp->type) {
case IPC_EVENT_WORKSPACE:
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ipc_update_workspaces(bar);
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break;
case IPC_EVENT_MODE: {
json_object *result = json_tokener_parse(resp->payload);
if (!result) {
free_ipc_response(resp);
sway_log(L_ERROR, "failed to parse payload as json");
return false;
}
json_object *json_change;
if (json_object_object_get_ex(result, "change", &json_change)) {
const char *change = json_object_get_string(json_change);
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free(bar->config->mode);
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if (strcmp(change, "default") == 0) {
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bar->config->mode = NULL;
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} else {
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bar->config->mode = strdup(change);
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}
} else {
sway_log(L_ERROR, "failed to parse response");
}
json_object_put(result);
break;
}
default:
free_ipc_response(resp);
return false;
}
free_ipc_response(resp);
return true;
}