i3/src/config.c
2014-04-15 17:46:59 +02:00

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#undef I3__FILE__
#define I3__FILE__ "config.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* config.c: Configuration file (calling the parser (src/config_parser.c) with
* the correct path, switching key bindings mode).
*
*/
#include "all.h"
/* We need Xlib for XStringToKeysym */
#include <X11/Xlib.h>
char *current_configpath = NULL;
Config config;
struct modes_head modes;
struct barconfig_head barconfigs = TAILQ_HEAD_INITIALIZER(barconfigs);
/**
* Ungrabs all keys, to be called before re-grabbing the keys because of a
* mapping_notify event or a configuration file reload
*
*/
void ungrab_all_keys(xcb_connection_t *conn) {
DLOG("Ungrabbing all keys\n");
xcb_ungrab_key(conn, XCB_GRAB_ANY, root, XCB_BUTTON_MASK_ANY);
}
/*
* Sends the current bar configuration as an event to all barconfig_update listeners.
* This update mechnism currently only includes the hidden_state and the mode in the config.
*
*/
void update_barconfig() {
Barconfig *current;
TAILQ_FOREACH(current, &barconfigs, configs) {
/* Build json message */
char *hidden_state;
switch (current->hidden_state) {
case S_SHOW:
hidden_state ="show";
break;
case S_HIDE:
default:
hidden_state = "hide";
break;
}
char *mode;
switch (current->mode) {
case M_HIDE:
mode ="hide";
break;
case M_INVISIBLE:
mode ="invisible";
break;
case M_DOCK:
default:
mode = "dock";
break;
}
/* Send an event to all barconfig listeners*/
char *event_msg;
sasprintf(&event_msg, "{ \"id\":\"%s\", \"hidden_state\":\"%s\", \"mode\":\"%s\" }", current->id, hidden_state, mode);
ipc_send_event("barconfig_update", I3_IPC_EVENT_BARCONFIG_UPDATE, event_msg);
FREE(event_msg);
}
}
/*
* Get the path of the first configuration file found. If override_configpath
* is specified, that path is returned and saved for further calls. Otherwise,
* checks the home directory first, then the system directory first, always
* taking into account the XDG Base Directory Specification ($XDG_CONFIG_HOME,
* $XDG_CONFIG_DIRS)
*
*/
static char *get_config_path(const char *override_configpath) {
char *xdg_config_home, *xdg_config_dirs, *config_path;
static const char *saved_configpath = NULL;
if (override_configpath != NULL) {
saved_configpath = override_configpath;
return sstrdup(saved_configpath);
}
if (saved_configpath != NULL)
return sstrdup(saved_configpath);
/* 1: check the traditional path under the home directory */
config_path = resolve_tilde("~/.i3/config");
if (path_exists(config_path))
return config_path;
free(config_path);
/* 2: check for $XDG_CONFIG_HOME/i3/config */
if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
xdg_config_home = "~/.config";
xdg_config_home = resolve_tilde(xdg_config_home);
sasprintf(&config_path, "%s/i3/config", xdg_config_home);
free(xdg_config_home);
if (path_exists(config_path))
return config_path;
free(config_path);
/* 3: check the traditional path under /etc */
config_path = SYSCONFDIR "/i3/config";
if (path_exists(config_path))
return sstrdup(config_path);
/* 4: check for $XDG_CONFIG_DIRS/i3/config */
if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
xdg_config_dirs = "/etc/xdg";
char *buf = sstrdup(xdg_config_dirs);
char *tok = strtok(buf, ":");
while (tok != NULL) {
tok = resolve_tilde(tok);
sasprintf(&config_path, "%s/i3/config", tok);
free(tok);
if (path_exists(config_path)) {
free(buf);
return config_path;
}
free(config_path);
tok = strtok(NULL, ":");
}
free(buf);
die("Unable to find the configuration file (looked at "
"~/.i3/config, $XDG_CONFIG_HOME/i3/config, "
SYSCONFDIR "/i3/config and $XDG_CONFIG_DIRS/i3/config)");
}
/*
* Finds the configuration file to use (either the one specified by
* override_configpath), the users one or the system default) and calls
* parse_file().
*
*/
static void parse_configuration(const char *override_configpath) {
char *path = get_config_path(override_configpath);
LOG("Parsing configfile %s\n", path);
FREE(current_configpath);
current_configpath = path;
parse_file(path);
}
/*
* (Re-)loads the configuration file (sets useful defaults before).
*
*/
void load_configuration(xcb_connection_t *conn, const char *override_configpath, bool reload) {
if (reload) {
/* First ungrab the keys */
ungrab_all_keys(conn);
struct Mode *mode;
Binding *bind;
while (!SLIST_EMPTY(&modes)) {
mode = SLIST_FIRST(&modes);
FREE(mode->name);
/* Clear the old binding list */
bindings = mode->bindings;
while (!TAILQ_EMPTY(bindings)) {
bind = TAILQ_FIRST(bindings);
TAILQ_REMOVE(bindings, bind, bindings);
FREE(bind->translated_to);
FREE(bind->command);
FREE(bind);
}
FREE(bindings);
SLIST_REMOVE(&modes, mode, Mode, modes);
}
struct Assignment *assign;
while (!TAILQ_EMPTY(&assignments)) {
assign = TAILQ_FIRST(&assignments);
if (assign->type == A_TO_WORKSPACE)
FREE(assign->dest.workspace);
else if (assign->type == A_TO_OUTPUT)
FREE(assign->dest.output);
else if (assign->type == A_COMMAND)
FREE(assign->dest.command);
match_free(&(assign->match));
TAILQ_REMOVE(&assignments, assign, assignments);
FREE(assign);
}
/* Clear bar configs */
Barconfig *barconfig;
while (!TAILQ_EMPTY(&barconfigs)) {
barconfig = TAILQ_FIRST(&barconfigs);
FREE(barconfig->id);
for (int c = 0; c < barconfig->num_outputs; c++)
free(barconfig->outputs[c]);
FREE(barconfig->outputs);
FREE(barconfig->tray_output);
FREE(barconfig->socket_path);
FREE(barconfig->status_command);
FREE(barconfig->i3bar_command);
FREE(barconfig->font);
FREE(barconfig->colors.background);
FREE(barconfig->colors.statusline);
FREE(barconfig->colors.focused_workspace_border);
FREE(barconfig->colors.focused_workspace_bg);
FREE(barconfig->colors.focused_workspace_text);
FREE(barconfig->colors.active_workspace_border);
FREE(barconfig->colors.active_workspace_bg);
FREE(barconfig->colors.active_workspace_text);
FREE(barconfig->colors.inactive_workspace_border);
FREE(barconfig->colors.inactive_workspace_bg);
FREE(barconfig->colors.inactive_workspace_text);
FREE(barconfig->colors.urgent_workspace_border);
FREE(barconfig->colors.urgent_workspace_bg);
FREE(barconfig->colors.urgent_workspace_text);
TAILQ_REMOVE(&barconfigs, barconfig, configs);
FREE(barconfig);
}
/* Clear workspace names */
#if 0
Workspace *ws;
TAILQ_FOREACH(ws, workspaces, workspaces)
workspace_set_name(ws, NULL);
#endif
/* Invalidate pixmap caches in case font or colors changed */
Con *con;
TAILQ_FOREACH(con, &all_cons, all_cons)
FREE(con->deco_render_params);
/* Get rid of the current font */
free_font();
}
SLIST_INIT(&modes);
struct Mode *default_mode = scalloc(sizeof(struct Mode));
default_mode->name = sstrdup("default");
default_mode->bindings = scalloc(sizeof(struct bindings_head));
TAILQ_INIT(default_mode->bindings);
SLIST_INSERT_HEAD(&modes, default_mode, modes);
bindings = default_mode->bindings;
#define REQUIRED_OPTION(name) \
if (config.name == NULL) \
die("You did not specify required configuration option " #name "\n");
/* Clear the old config or initialize the data structure */
memset(&config, 0, sizeof(config));
/* Initialize default colors */
#define INIT_COLOR(x, cborder, cbackground, ctext, cindicator) \
do { \
x.border = get_colorpixel(cborder); \
x.background = get_colorpixel(cbackground); \
x.text = get_colorpixel(ctext); \
x.indicator = get_colorpixel(cindicator); \
} while (0)
config.client.background = get_colorpixel("#000000");
INIT_COLOR(config.client.focused, "#4c7899", "#285577", "#ffffff", "#2e9ef4");
INIT_COLOR(config.client.focused_inactive, "#333333", "#5f676a", "#ffffff", "#484e50");
INIT_COLOR(config.client.unfocused, "#333333", "#222222", "#888888", "#292d2e");
INIT_COLOR(config.client.urgent, "#2f343a", "#900000", "#ffffff", "#900000");
/* border and indicator color are ignored for placeholder contents */
INIT_COLOR(config.client.placeholder, "#000000", "#0c0c0c", "#ffffff", "#000000");
/* the last argument (indicator color) is ignored for bar colors */
INIT_COLOR(config.bar.focused, "#4c7899", "#285577", "#ffffff", "#000000");
INIT_COLOR(config.bar.unfocused, "#333333", "#222222", "#888888", "#000000");
INIT_COLOR(config.bar.urgent, "#2f343a", "#900000", "#ffffff", "#000000");
config.default_border = BS_NORMAL;
config.default_floating_border = BS_NORMAL;
config.default_border_width = 2;
/* Set default_orientation to NO_ORIENTATION for auto orientation. */
config.default_orientation = NO_ORIENTATION;
/* Set default urgency reset delay to 500ms */
if (config.workspace_urgency_timer == 0)
config.workspace_urgency_timer = 0.5;
parse_configuration(override_configpath);
if (reload) {
translate_keysyms();
grab_all_keys(conn, false);
}
if (config.font.type == FONT_TYPE_NONE) {
ELOG("You did not specify required configuration option \"font\"\n");
config.font = load_font("fixed", true);
set_font(&config.font);
}
/* Redraw the currently visible decorations on reload, so that
* the possibly new drawing parameters changed. */
if (reload) {
x_deco_recurse(croot);
xcb_flush(conn);
}
#if 0
/* Set an empty name for every workspace which got no name */
Workspace *ws;
TAILQ_FOREACH(ws, workspaces, workspaces) {
if (ws->name != NULL) {
/* If the font was not specified when the workspace name
* was loaded, we need to predict the text width now */
if (ws->text_width == 0)
ws->text_width = predict_text_width(global_conn,
config.font, ws->name, ws->name_len);
continue;
}
workspace_set_name(ws, NULL);
}
#endif
}