* vim:ts=4:sw=4:expandtab
*
* i3bar - an xcb-based status- and ws-bar for i3
- * © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
+ * © 2010 Axel Wagner and contributors (see also: LICENSE)
*
* ipc.c: Communicating with i3
*
*/
+#include "common.h"
+
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/un.h>
#include <i3/ipc.h>
#include <ev.h>
-
-#include "common.h"
+#ifdef I3_ASAN_ENABLED
+#include <sanitizer/lsan_interface.h>
+#endif
ev_io *i3_connection;
* Since i3 does not give us much feedback on commands, we do not much
*
*/
-void got_command_reply(char *reply) {
- /* TODO: Error handling for command-replies */
+static void got_command_reply(char *reply) {
+ /* TODO: Error handling for command replies */
}
/*
- * Called, when we get a reply with workspaces-data
+ * Called, when we get a reply with workspaces data
*
*/
-void got_workspace_reply(char *reply) {
- DLOG("Got Workspace-Data!\n");
+static void got_workspace_reply(char *reply) {
+ DLOG("Got workspace data!\n");
parse_workspaces_json(reply);
draw_bars(false);
}
* Since i3 does not give us much feedback on commands, we do not much
*
*/
-void got_subscribe_reply(char *reply) {
- DLOG("Got Subscribe Reply: %s\n", reply);
- /* TODO: Error handling for subscribe-commands */
+static void got_subscribe_reply(char *reply) {
+ DLOG("Got subscribe reply: %s\n", reply);
+ /* TODO: Error handling for subscribe commands */
}
/*
- * Called, when we get a reply with outputs-data
+ * Called, when we get a reply with outputs data
*
*/
-void got_output_reply(char *reply) {
- DLOG("Parsing Outputs-JSON...\n");
+static void got_output_reply(char *reply) {
+ DLOG("Clearing old output configuration...\n");
+ free_outputs();
+
+ DLOG("Parsing outputs JSON...\n");
parse_outputs_json(reply);
- DLOG("Reconfiguring Windows...\n");
- realloc_sl_buffer();
+ DLOG("Reconfiguring windows...\n");
reconfig_windows(false);
i3_output *o_walk;
kick_tray_clients(o_walk);
}
+ if (!config.disable_ws) {
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
+ }
+
draw_bars(false);
}
* Called when we get the configuration for our bar instance
*
*/
-void got_bar_config(char *reply) {
+static void got_bar_config(char *reply) {
DLOG("Received bar config \"%s\"\n", reply);
- /* We initiate the main-function by requesting infos about the outputs and
+ /* We initiate the main function by requesting infos about the outputs and
* workspaces. Everything else (creating the bars, showing the right workspace-
* buttons and more) is taken care of by the event-drivenness of the code */
i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
init_colors(&(config.colors));
start_child(config.command);
- FREE(config.command);
}
-/* Data-structure to easily call the reply-handlers later */
+/* Data structure to easily call the reply handlers later */
handler_t reply_handlers[] = {
- &got_command_reply,
- &got_workspace_reply,
- &got_subscribe_reply,
- &got_output_reply,
- NULL,
- NULL,
- &got_bar_config,
+ &got_command_reply, /* I3_IPC_REPLY_TYPE_COMMAND */
+ &got_workspace_reply, /* I3_IPC_REPLY_TYPE_WORKSPACES */
+ &got_subscribe_reply, /* I3_IPC_REPLY_TYPE_SUBSCRIBE */
+ &got_output_reply, /* I3_IPC_REPLY_TYPE_OUTPUTS */
+ NULL, /* I3_IPC_REPLY_TYPE_TREE */
+ NULL, /* I3_IPC_REPLY_TYPE_MARKS */
+ &got_bar_config, /* I3_IPC_REPLY_TYPE_BAR_CONFIG */
+ NULL, /* I3_IPC_REPLY_TYPE_VERSION */
+ NULL, /* I3_IPC_REPLY_TYPE_BINDING_MODES */
+ NULL, /* I3_IPC_REPLY_TYPE_CONFIG */
+ NULL, /* I3_IPC_REPLY_TYPE_TICK */
+ NULL, /* I3_IPC_REPLY_TYPE_SYNC */
};
/*
- * Called, when a workspace-event arrives (i.e. the user changed the workspace)
+ * Called, when a workspace event arrives (i.e. the user changed the workspace)
*
*/
-void got_workspace_event(char *event) {
- DLOG("Got Workspace Event!\n");
+static void got_workspace_event(char *event) {
+ DLOG("Got workspace event!\n");
i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
}
/*
- * Called, when an output-event arrives (i.e. the screen-configuration changed)
+ * Called, when an output event arrives (i.e. the screen configuration changed)
*
*/
-void got_output_event(char *event) {
- DLOG("Got Output Event!\n");
+static void got_output_event(char *event) {
+ DLOG("Got output event!\n");
i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
if (!config.disable_ws) {
i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
}
/*
- * Called, when a mode-event arrives (i3 changed binding mode).
+ * Called, when a mode event arrives (i3 changed binding mode).
*
*/
-void got_mode_event(char *event) {
- DLOG("Got Mode Event!\n");
+static void got_mode_event(char *event) {
+ DLOG("Got mode event!\n");
parse_mode_json(event);
draw_bars(false);
}
* Called, when a barconfig_update event arrives (i.e. i3 changed the bar hidden_state or mode)
*
*/
-void got_bar_config_update(char *event) {
+static void got_bar_config_update(char *event) {
/* check whether this affect this bar instance by checking the bar_id */
char *expected_id;
sasprintf(&expected_id, "\"id\":\"%s\"", config.bar_id);
if (found_id == NULL)
return;
+ /* reconfigure the bar based on the current outputs */
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
+
free_colors(&(config.colors));
/* update the configuration with the received settings */
DLOG("Received bar config update \"%s\"\n", event);
+ char *old_command = config.command ? sstrdup(config.command) : NULL;
bar_display_mode_t old_mode = config.hide_on_modifier;
parse_config_json(event);
if (old_mode != config.hide_on_modifier) {
reconfig_windows(true);
}
+ /* update fonts and colors */
+ init_xcb_late(config.fontname);
init_colors(&(config.colors));
- realloc_sl_buffer();
+
+ /* restart status command process */
+ if (old_command && strcmp(old_command, config.command) != 0) {
+ kill_child();
+ start_child(config.command);
+ }
+ free(old_command);
draw_bars(false);
}
-/* Data-structure to easily call the event-handlers later */
+/* Data structure to easily call the event handlers later */
handler_t event_handlers[] = {
&got_workspace_event,
&got_output_event,
* Called, when we get a message from i3
*
*/
-void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
+static void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
DLOG("Got data!\n");
int fd = watcher->fd;
uint32_t header_len = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) * 2;
char *header = smalloc(header_len);
- /* We first parse the fixed-length IPC-header, to know, how much data
+ /* We first parse the fixed-length IPC header, to know, how much data
* we have to expect */
uint32_t rec = 0;
while (rec < header_len) {
/* EOF received. Since i3 will restart i3bar instances as appropriate,
* we exit here. */
DLOG("EOF received, exiting...\n");
+#ifdef I3_ASAN_ENABLED
+ __lsan_do_leak_check();
+#endif
clean_xcb();
exit(EXIT_SUCCESS);
}
buffer[size] = '\0';
/* And call the callback (indexed by the type) */
- if (type & (1 << 31)) {
- type ^= 1 << 31;
+ if (type & (1UL << 31)) {
+ type ^= 1UL << 31;
event_handlers[type](buffer);
} else {
if (reply_handlers[type])
}
/*
- * Sends a Message to i3.
+ * Sends a message to i3.
* type must be a valid I3_IPC_MESSAGE_TYPE (see i3/ipc.h for further information)
*
*/
char *buffer = smalloc(to_write);
char *walk = buffer;
- strncpy(buffer, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC));
+ memcpy(buffer, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC));
walk += strlen(I3_IPC_MAGIC);
memcpy(walk, &len, sizeof(uint32_t));
walk += sizeof(uint32_t);
if (payload != NULL)
strncpy(walk, payload, len);
- uint32_t written = 0;
-
- while (to_write > 0) {
- int n = write(i3_connection->fd, buffer + written, to_write);
- if (n == -1) {
- ELOG("write() failed: %s\n", strerror(errno));
- exit(EXIT_FAILURE);
- }
-
- to_write -= n;
- written += n;
- }
+ swrite(i3_connection->fd, buffer, to_write);
FREE(buffer);
/*
* Initiate a connection to i3.
- * socket-path must be a valid path to the ipc_socket of i3
+ * socket_path must be a valid path to the ipc_socket of i3
*
*/
int init_connection(const char *socket_path) {