sway/swaybar/ipc.c
Brian Ashworth 3d6440ec26 bar_cmd_bind: utilize mouse button helpers
This modifies `bar_cmd_bindsym` to use `get_mouse_bindsym` for parsing
mouse buttons. This also introduces `cmd_bar_bindcode`, which will use
`get_mouse_bindcode` for parsing mouse buttons. Like sway bindings, the
two commands are encapsulated in a single file with shared code.

This also modifies swaybar to operate off of event codes rather than x11
button numbers, which allows for any mouse button to be used.

This introduces two new IPC properties:
- For `get_bar_config`, `event_code` has been added to the `bindings`
section and will include to event code for the button. If the event code
can be mapped to a x11 button, `input_code` will still be the x11 button
number. Otherwise, `input_code` will be `0`.
- Likewise for `click_events`, `event` has been added and will include
the event code for the button clicked. If the event code can be mapped
to a x11 button, `button` will still be the x11 button number.
Otherwise, `button` will be `0`.
2019-01-10 12:43:10 -05:00

576 lines
20 KiB
C

#define _POSIX_C_SOURCE 200809
#include <limits.h>
#include <string.h>
#include <strings.h>
#include <json-c/json.h>
#include <wlr/util/log.h>
#include "swaybar/config.h"
#include "swaybar/ipc.h"
#include "config.h"
#include "ipc-client.h"
#include "list.h"
void ipc_send_workspace_command(struct swaybar *bar, const char *ws) {
const char *fmt = "workspace \"%s\"";
uint32_t size = snprintf(NULL, 0, fmt, ws);
char command[size];
snprintf(command, size, fmt, ws);
ipc_single_command(bar->ipc_socketfd, IPC_COMMAND, command, &size);
}
char *parse_font(const char *font) {
char *new_font = NULL;
if (strncmp("pango:", font, 6) == 0) {
font += 6;
}
new_font = strdup(font);
return new_font;
}
static void ipc_parse_colors(
struct swaybar_config *config, json_object *colors) {
json_object *background, *statusline, *separator;
json_object *focused_background, *focused_statusline, *focused_separator;
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);
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));
}
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 (urgent_workspace_border) {
config->colors.urgent_workspace.border = parse_color(
json_object_get_string(urgent_workspace_border));
}
if (urgent_workspace_bg) {
config->colors.urgent_workspace.background = parse_color(
json_object_get_string(urgent_workspace_bg));
}
if (urgent_workspace_text) {
config->colors.urgent_workspace.text = parse_color(
json_object_get_string(urgent_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));
}
}
static bool ipc_parse_config(
struct swaybar_config *config, const char *payload) {
json_object *bar_config = json_tokener_parse(payload);
json_object *success;
if (json_object_object_get_ex(bar_config, "success", &success)
&& !json_object_get_boolean(success)) {
wlr_log(WLR_ERROR, "No bar with that ID. Use 'swaymsg -t get_bar_config to get the available bar configs.");
json_object_put(bar_config);
return false;
}
json_object *markup, *mode, *hidden_state, *position, *status_command;
json_object *font, *gaps, *bar_height, *wrap_scroll, *workspace_buttons;
json_object *strip_workspace_numbers, *strip_workspace_name;
json_object *binding_mode_indicator, *verbose, *colors, *sep_symbol;
json_object *outputs, *bindings;
json_object_object_get_ex(bar_config, "mode", &mode);
json_object_object_get_ex(bar_config, "hidden_state", &hidden_state);
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, "gaps", &gaps);
json_object_object_get_ex(bar_config, "bar_height", &bar_height);
json_object_object_get_ex(bar_config, "wrap_scroll", &wrap_scroll);
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, "strip_workspace_name", &strip_workspace_name);
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);
json_object_object_get_ex(bar_config, "pango_markup", &markup);
json_object_object_get_ex(bar_config, "bindings", &bindings);
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 (strip_workspace_name) {
config->strip_workspace_name = json_object_get_boolean(strip_workspace_name);
}
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);
}
if (workspace_buttons) {
config->workspace_buttons = json_object_get_boolean(workspace_buttons);
}
if (bar_height) {
config->height = json_object_get_int(bar_height);
}
if (gaps) {
json_object *top = json_object_object_get(gaps, "top");
if (top) {
config->gaps.top = json_object_get_int(top);
}
json_object *right = json_object_object_get(gaps, "right");
if (right) {
config->gaps.right = json_object_get_int(right);
}
json_object *bottom = json_object_object_get(gaps, "bottom");
if (bottom) {
config->gaps.bottom = json_object_get_int(bottom);
}
json_object *left = json_object_object_get(gaps, "left");
if (left) {
config->gaps.left = json_object_get_int(left);
}
}
if (markup) {
config->pango_markup = json_object_get_boolean(markup);
}
if (bindings) {
int length = json_object_array_length(bindings);
for (int i = 0; i < length; ++i) {
json_object *bindobj = json_object_array_get_idx(bindings, i);
struct swaybar_binding *binding =
calloc(1, sizeof(struct swaybar_binding));
binding->button = json_object_get_int(
json_object_object_get(bindobj, "event_code"));
binding->command = strdup(json_object_get_string(
json_object_object_get(bindobj, "command")));
binding->release = json_object_get_boolean(
json_object_object_get(bindobj, "release"));
list_add(config->bindings, binding);
}
}
if (hidden_state) {
free(config->hidden_state);
config->hidden_state = strdup(json_object_get_string(hidden_state));
}
if (mode) {
free(config->mode);
config->mode = strdup(json_object_get_string(mode));
}
struct config_output *output, *tmp;
wl_list_for_each_safe(output, tmp, &config->outputs, link) {
wl_list_remove(&output->link);
free(output->name);
free(output);
}
if (outputs) {
int length = json_object_array_length(outputs);
for (int i = 0; i < length; ++i) {
json_object *output = json_object_array_get_idx(outputs, i);
const char *name = json_object_get_string(output);
if (strcmp("*", name) == 0) {
config->all_outputs = true;
break;
}
struct config_output *coutput = calloc(
1, sizeof(struct config_output));
coutput->name = strdup(name);
coutput->index = SIZE_MAX;
wl_list_insert(&config->outputs, &coutput->link);
}
} else {
config->all_outputs = true;
}
if (colors) {
ipc_parse_colors(config, colors);
}
#if HAVE_TRAY
json_object *tray_outputs, *tray_padding, *tray_bindings, *icon_theme;
if ((json_object_object_get_ex(bar_config, "tray_outputs", &tray_outputs))) {
config->tray_outputs = create_list();
int length = json_object_array_length(tray_outputs);
for (int i = 0; i < length; ++i) {
json_object *o = json_object_array_get_idx(tray_outputs, i);
list_add(config->tray_outputs, strdup(json_object_get_string(o)));
}
config->tray_hidden = strcmp(config->tray_outputs->items[0], "none") == 0;
}
if ((json_object_object_get_ex(bar_config, "tray_padding", &tray_padding))) {
config->tray_padding = json_object_get_int(tray_padding);
}
if ((json_object_object_get_ex(bar_config, "tray_bindings", &tray_bindings))) {
int length = json_object_array_length(tray_bindings);
for (int i = 0; i < length; ++i) {
json_object *bind = json_object_array_get_idx(tray_bindings, i);
json_object *button, *command;
json_object_object_get_ex(bind, "input_code", &button);
json_object_object_get_ex(bind, "command", &command);
config->tray_bindings[json_object_get_int(button)] =
strdup(json_object_get_string(command));
}
}
if ((json_object_object_get_ex(bar_config, "icon_theme", &icon_theme))) {
config->icon_theme = strdup(json_object_get_string(icon_theme));
}
#endif
json_object_put(bar_config);
return true;
}
bool ipc_get_workspaces(struct swaybar *bar) {
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
free_workspaces(&output->workspaces);
output->focused = false;
}
uint32_t len = 0;
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_WORKSPACES, NULL, &len);
json_object *results = json_tokener_parse(res);
if (!results) {
free(res);
return false;
}
bar->visible_by_urgency = false;
size_t length = json_object_array_length(results);
json_object *ws_json;
json_object *num, *name, *visible, *focused, *out, *urgent;
for (size_t 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);
wl_list_for_each(output, &bar->outputs, link) {
const char *ws_output = json_object_get_string(out);
if (strcmp(ws_output, output->name) == 0) {
struct swaybar_workspace *ws =
calloc(1, sizeof(struct swaybar_workspace));
ws->num = json_object_get_int(num);
ws->name = strdup(json_object_get_string(name));
ws->label = strdup(ws->name);
// ws->num will be -1 if workspace name doesn't begin with int.
if (ws->num != -1) {
size_t len_offset = numlen(ws->num);
if (bar->config->strip_workspace_name) {
free(ws->label);
ws->label = malloc(len_offset + 1 * sizeof(char));
ws->label[len_offset] = '\0';
strncpy(ws->label, ws->name, len_offset);
} else if (bar->config->strip_workspace_numbers) {
len_offset += ws->label[len_offset] == ':';
if (strlen(ws->name) > len_offset) {
free(ws->label);
// Strip number prefix [1-?:] using len_offset.
ws->label = strdup(ws->name + len_offset);
}
}
}
ws->visible = json_object_get_boolean(visible);
ws->focused = json_object_get_boolean(focused);
if (ws->focused) {
output->focused = true;
}
ws->urgent = json_object_get_boolean(urgent);
if (ws->urgent) {
bar->visible_by_urgency = true;
}
wl_list_insert(output->workspaces.prev, &ws->link);
}
}
}
json_object_put(results);
free(res);
return determine_bar_visibility(bar, false);
}
static void ipc_get_outputs(struct swaybar *bar) {
uint32_t len = 0;
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_OUTPUTS, NULL, &len);
json_object *outputs = json_tokener_parse(res);
for (size_t i = 0; i < json_object_array_length(outputs); ++i) {
json_object *output = json_object_array_get_idx(outputs, i);
json_object *output_name, *output_active;
json_object_object_get_ex(output, "name", &output_name);
json_object_object_get_ex(output, "active", &output_active);
const char *name = json_object_get_string(output_name);
bool active = json_object_get_boolean(output_active);
if (!active) {
continue;
}
if (bar->config->all_outputs) {
struct config_output *coutput =
calloc(1, sizeof(struct config_output));
coutput->name = strdup(name);
coutput->index = i;
wl_list_insert(&bar->config->outputs, &coutput->link);
} else {
struct config_output *coutput;
wl_list_for_each(coutput, &bar->config->outputs, link) {
if (strcmp(name, coutput->name) == 0) {
coutput->index = i;
break;
}
}
}
}
json_object_put(outputs);
free(res);
}
void ipc_execute_binding(struct swaybar *bar, struct swaybar_binding *bind) {
wlr_log(WLR_DEBUG, "Executing binding for button %u (release=%d): `%s`",
bind->button, bind->release, bind->command);
uint32_t len = strlen(bind->command);
free(ipc_single_command(bar->ipc_socketfd,
IPC_COMMAND, bind->command, &len));
}
bool ipc_initialize(struct swaybar *bar) {
uint32_t len = strlen(bar->id);
char *res = ipc_single_command(bar->ipc_socketfd,
IPC_GET_BAR_CONFIG, bar->id, &len);
if (!ipc_parse_config(bar->config, res)) {
free(res);
return false;
}
free(res);
ipc_get_outputs(bar);
struct swaybar_config *config = bar->config;
char subscribe[128]; // suitably large buffer
len = snprintf(subscribe, 128,
"[ \"barconfig_update\" , \"bar_state_update\" %s %s ]",
config->binding_mode_indicator ? ", \"mode\"" : "",
config->workspace_buttons ? ", \"workspace\"" : "");
free(ipc_single_command(bar->ipc_event_socketfd,
IPC_SUBSCRIBE, subscribe, &len));
return true;
}
static bool handle_bar_state_update(struct swaybar *bar, json_object *event) {
json_object *json_id;
json_object_object_get_ex(event, "id", &json_id);
const char *id = json_object_get_string(json_id);
if (strcmp(id, bar->id) != 0) {
return false;
}
json_object *visible_by_modifier;
json_object_object_get_ex(event, "visible_by_modifier", &visible_by_modifier);
bar->visible_by_modifier = json_object_get_boolean(visible_by_modifier);
return determine_bar_visibility(bar, false);
}
static bool handle_barconfig_update(struct swaybar *bar,
json_object *json_config) {
json_object *json_id;
json_object_object_get_ex(json_config, "id", &json_id);
const char *id = json_object_get_string(json_id);
if (strcmp(id, bar->id) != 0) {
return false;
}
struct swaybar_config *config = bar->config;
json_object *json_state;
json_object_object_get_ex(json_config, "hidden_state", &json_state);
const char *new_state = json_object_get_string(json_state);
char *old_state = config->hidden_state;
if (strcmp(new_state, old_state) != 0) {
wlr_log(WLR_DEBUG, "Changing bar hidden state to %s", new_state);
free(old_state);
config->hidden_state = strdup(new_state);
return determine_bar_visibility(bar, false);
}
free(config->mode);
json_object *json_mode;
json_object_object_get_ex(json_config, "mode", &json_mode);
config->mode = strdup(json_object_get_string(json_mode));
wlr_log(WLR_DEBUG, "Changing bar mode to %s", config->mode);
json_object *gaps;
json_object_object_get_ex(json_config, "gaps", &gaps);
if (gaps) {
json_object *top = json_object_object_get(gaps, "top");
if (top) {
config->gaps.top = json_object_get_int(top);
}
json_object *right = json_object_object_get(gaps, "right");
if (right) {
config->gaps.right = json_object_get_int(right);
}
json_object *bottom = json_object_object_get(gaps, "bottom");
if (bottom) {
config->gaps.bottom = json_object_get_int(bottom);
}
json_object *left = json_object_object_get(gaps, "left");
if (left) {
config->gaps.left = json_object_get_int(left);
}
}
return determine_bar_visibility(bar, true);
}
bool handle_ipc_readable(struct swaybar *bar) {
struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
if (!resp) {
return false;
}
json_object *result = json_tokener_parse(resp->payload);
if (!result) {
wlr_log(WLR_ERROR, "failed to parse payload as json");
free_ipc_response(resp);
return false;
}
bool bar_is_dirty = true;
switch (resp->type) {
case IPC_EVENT_WORKSPACE:
bar_is_dirty = ipc_get_workspaces(bar);
break;
case IPC_EVENT_MODE: {
json_object *json_change, *json_pango_markup;
if (json_object_object_get_ex(result, "change", &json_change)) {
const char *change = json_object_get_string(json_change);
free(bar->mode);
bar->mode = strcmp(change, "default") != 0 ? strdup(change) : NULL;
} else {
wlr_log(WLR_ERROR, "failed to parse response");
bar_is_dirty = false;
break;
}
if (json_object_object_get_ex(result,
"pango_markup", &json_pango_markup)) {
bar->mode_pango_markup = json_object_get_boolean(json_pango_markup);
}
break;
}
case IPC_EVENT_BARCONFIG_UPDATE:
bar_is_dirty = handle_barconfig_update(bar, result);
break;
case IPC_EVENT_BAR_STATE_UPDATE:
bar_is_dirty = handle_bar_state_update(bar, result);
break;
default:
bar_is_dirty = false;
break;
}
json_object_put(result);
free_ipc_response(resp);
return bar_is_dirty;
}