#include <stdlib.h>
#include <glob.h>
+/* We need Xlib for XStringToKeysym */
+#include <X11/Xlib.h>
+
+#include <xcb/xcb_keysyms.h>
+
#include "i3.h"
#include "util.h"
#include "config.h"
+#include "xcb.h"
+#include "table.h"
+#include "workspace.h"
Config config;
*
*/
static char *glob_path(const char *path) {
- static glob_t globbuf;
- if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed");
- char *result = sstrdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
- globfree(&globbuf);
- return result;
+ static glob_t globbuf;
+ if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
+ die("glob() failed");
+ char *result = sstrdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
+ globfree(&globbuf);
+ return result;
+}
+
+/*
+ * This function does a very simple replacement of each instance of key with value.
+ *
+ */
+static void replace_variable(char *buffer, const char *key, const char *value) {
+ char *pos;
+ /* To prevent endless recursions when the user makes an error configuring,
+ * we stop after 100 replacements. That should be vastly more than enough. */
+ int c = 0;
+ LOG("Replacing %s with %s\n", key, value);
+ while ((pos = strcasestr(buffer, key)) != NULL && c++ < 100) {
+ LOG("replacing variable %s in \"%s\" with \"%s\"\n", key, buffer, value);
+ char *rest = pos + strlen(key);
+ *pos = '\0';
+ char *replaced;
+ asprintf(&replaced, "%s%s%s", buffer, value, rest);
+ /* Hm, this is a bit ugly, but sizeof(buffer) = 4, as it’s just a pointer.
+ * So we need to hard-code the dimensions here. */
+ strncpy(buffer, replaced, 1026);
+ free(replaced);
+ }
+}
+
+/**
+ * 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) {
+ LOG("Ungrabbing all keys\n");
+ xcb_ungrab_key(conn, XCB_GRAB_ANY, root, XCB_BUTTON_MASK_ANY);
+}
+
+static void grab_keycode_for_binding(xcb_connection_t *conn, Binding *bind, uint32_t keycode) {
+ LOG("Grabbing %d\n", keycode);
+ if ((bind->mods & BIND_MODE_SWITCH) != 0)
+ xcb_grab_key(conn, 0, root, 0, keycode,
+ XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_SYNC);
+ else {
+ /* Grab the key in all combinations */
+ #define GRAB_KEY(modifier) xcb_grab_key(conn, 0, root, modifier, keycode, \
+ XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC)
+ GRAB_KEY(bind->mods);
+ GRAB_KEY(bind->mods | xcb_numlock_mask);
+ GRAB_KEY(bind->mods | xcb_numlock_mask | XCB_MOD_MASK_LOCK);
+ }
}
+/*
+ * Grab the bound keys (tell X to send us keypress events for those keycodes)
+ *
+ */
+void grab_all_keys(xcb_connection_t *conn) {
+ Binding *bind;
+ TAILQ_FOREACH(bind, &bindings, bindings) {
+ /* The easy case: the user specified a keycode directly. */
+ if (bind->keycode > 0) {
+ grab_keycode_for_binding(conn, bind, bind->keycode);
+ continue;
+ }
+
+ /* We need to translate the symbol to a keycode */
+ LOG("Translating symbol to keycode (\"%s\")\n", bind->symbol);
+ xcb_keysym_t keysym = XStringToKeysym(bind->symbol);
+ if (keysym == NoSymbol) {
+ LOG("Could not translate string to key symbol: \"%s\"\n", bind->symbol);
+ continue;
+ }
+
+ xcb_keycode_t *keycodes = xcb_key_symbols_get_keycode(keysyms, keysym);
+ if (keycodes == NULL) {
+ LOG("Could not translate symbol \"%s\"\n", bind->symbol);
+ continue;
+ }
+
+ uint32_t last_keycode;
+ bind->number_keycodes = 0;
+ for (xcb_keycode_t *walk = keycodes; *walk != 0; walk++) {
+ /* We hope duplicate keycodes will be returned in order
+ * and skip them */
+ if (last_keycode == *walk)
+ continue;
+ grab_keycode_for_binding(conn, bind, *walk);
+ last_keycode = *walk;
+ bind->number_keycodes++;
+ }
+ LOG("Got %d different keycodes\n", bind->number_keycodes);
+ bind->translated_to = smalloc(bind->number_keycodes * sizeof(xcb_keycode_t));
+ memcpy(bind->translated_to, keycodes, bind->number_keycodes * sizeof(xcb_keycode_t));
+ free(keycodes);
+ }
+}
/*
* Reads the configuration from ~/.i3/config or /etc/i3/config if not found.
* configuration file.
*
*/
-void load_configuration(const char *override_configpath) {
+void load_configuration(xcb_connection_t *conn, const char *override_configpath, bool reload) {
+ if (reload) {
+ /* First ungrab the keys */
+ ungrab_all_keys(conn);
+
+ /* Clear the old binding and assignment lists */
+ Binding *bind;
+ while (!TAILQ_EMPTY(&bindings)) {
+ bind = TAILQ_FIRST(&bindings);
+ TAILQ_REMOVE(&bindings, bind, bindings);
+ FREE(bind->command);
+ FREE(bind);
+ }
+
+ struct Assignment *assign;
+ while (!TAILQ_EMPTY(&assignments)) {
+ assign = TAILQ_FIRST(&assignments);
+ FREE(assign->windowclass_title);
+ TAILQ_REMOVE(&assignments, assign, assignments);
+ FREE(assign);
+ }
+ }
+
+ SLIST_HEAD(variables_head, Variable) variables;
+
#define OPTION_STRING(name) \
if (strcasecmp(key, #name) == 0) { \
config.name = sstrdup(value); \
if (config.name == NULL) \
die("You did not specify required configuration option " #name "\n");
+#define OPTION_COLORTRIPLE(opt, name) \
+ if (strcasecmp(key, opt) == 0) { \
+ char border[8], background[8], text[8]; \
+ memset(border, 0, sizeof(border)); \
+ memset(background, 0, sizeof(background)); \
+ memset(text, 0, sizeof(text)); \
+ border[0] = background[0] = text[0] = '#'; \
+ if (sscanf(value, "#%06[0-9a-fA-F] #%06[0-9a-fA-F] #%06[0-9a-fA-F]", \
+ border + 1, background + 1, text + 1) != 3 || \
+ strlen(border) != 7 || \
+ strlen(background) != 7 || \
+ strlen(text) != 7) \
+ die("invalid color code line: %s\n", value); \
+ config.name.border = get_colorpixel(conn, border); \
+ config.name.background = get_colorpixel(conn, background); \
+ config.name.text = get_colorpixel(conn, text); \
+ continue; \
+ }
+
/* Clear the old config or initialize the data structure */
memset(&config, 0, sizeof(config));
+ SLIST_INIT(&variables);
+
+ /* Initialize default colors */
+ config.client.focused.border = get_colorpixel(conn, "#4c7899");
+ config.client.focused.background = get_colorpixel(conn, "#285577");
+ config.client.focused.text = get_colorpixel(conn, "#ffffff");
+
+ config.client.focused_inactive.border = get_colorpixel(conn, "#4c7899");
+ config.client.focused_inactive.background = get_colorpixel(conn, "#555555");
+ config.client.focused_inactive.text = get_colorpixel(conn, "#ffffff");
+
+ config.client.unfocused.border = get_colorpixel(conn, "#333333");
+ config.client.unfocused.background = get_colorpixel(conn, "#222222");
+ config.client.unfocused.text = get_colorpixel(conn, "#888888");
+
+ config.bar.focused.border = get_colorpixel(conn, "#4c7899");
+ config.bar.focused.background = get_colorpixel(conn, "#285577");
+ config.bar.focused.text = get_colorpixel(conn, "#ffffff");
+
+ config.bar.unfocused.border = get_colorpixel(conn, "#333333");
+ config.bar.unfocused.background = get_colorpixel(conn, "#222222");
+ config.bar.unfocused.text = get_colorpixel(conn, "#888888");
+
FILE *handle;
if (override_configpath != NULL) {
if ((handle = fopen(override_configpath, "r")) == NULL)
die("Could not read configuration file\n");
}
+ if (config.terminal != NULL)
+ replace_variable(buffer, "$terminal", config.terminal);
+
+ /* Replace all custom variables */
+ struct Variable *current;
+ SLIST_FOREACH(current, &variables, variables)
+ replace_variable(buffer, current->key, current->value);
+
/* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */
if (sscanf(buffer, "%s %[^\n]", key, value) < 1 ||
key[0] == '#' || strlen(key) < 3)
OPTION_STRING(terminal);
OPTION_STRING(font);
+ /* Colors */
+ OPTION_COLORTRIPLE("client.focused", client.focused);
+ OPTION_COLORTRIPLE("client.focused_inactive", client.focused_inactive);
+ OPTION_COLORTRIPLE("client.unfocused", client.unfocused);
+ OPTION_COLORTRIPLE("bar.focused", bar.focused);
+ OPTION_COLORTRIPLE("bar.unfocused", bar.unfocused);
+
/* exec-lines (autostart) */
if (strcasecmp(key, "exec") == 0) {
- Autostart *new = smalloc(sizeof(Autostart));
+ struct Autostart *new = smalloc(sizeof(struct Autostart));
new->command = sstrdup(value);
TAILQ_INSERT_TAIL(&autostarts, new, autostarts);
continue;
}
/* key bindings */
- if (strcasecmp(key, "bind") == 0) {
+ if (strcasecmp(key, "bind") == 0 || strcasecmp(key, "bindsym") == 0) {
#define CHECK_MODIFIER(name) \
if (strncasecmp(walk, #name, strlen(#name)) == 0) { \
modifiers |= BIND_##name; \
break;
}
- /* Now check for the keycode */
- int keycode = strtol(walk, &rest, 10);
- if (!rest || *rest != ' ')
- die("Invalid binding\n");
+ Binding *new = scalloc(sizeof(Binding));
+
+ /* Now check for the keycode or copy the symbol */
+ if (strcasecmp(key, "bind") == 0) {
+ int keycode = strtol(walk, &rest, 10);
+ if (!rest || *rest != ' ')
+ die("Invalid binding (keycode)\n");
+ new->keycode = keycode;
+ } else {
+ rest = walk;
+ char *sym = rest;
+ while (*rest != '\0' && *rest != ' ')
+ rest++;
+ if (*rest != ' ')
+ die("Invalid binding (keysym)\n");
+ new->symbol = strndup(sym, (rest - sym));
+ }
rest++;
- LOG("keycode = %d, modifiers = %d, command = *%s*\n", keycode, modifiers, rest);
- Binding *new = smalloc(sizeof(Binding));
- new->keycode = keycode;
+ LOG("keycode = %d, symbol = %s, modifiers = %d, command = *%s*\n", new->keycode, new->symbol, modifiers, rest);
new->mods = modifiers;
new->command = sstrdup(rest);
TAILQ_INSERT_TAIL(&bindings, new, bindings);
continue;
}
- fprintf(stderr, "Unknown configfile option: %s\n", key);
- exit(1);
+ if (strcasecmp(key, "floating_modifier") == 0) {
+ char *walk = value;
+ uint32_t modifiers = 0;
+
+ while (*walk != '\0') {
+ /* Need to check for Mod1-5, Ctrl, Shift, Mode_switch */
+ CHECK_MODIFIER(SHIFT);
+ CHECK_MODIFIER(CONTROL);
+ CHECK_MODIFIER(MODE_SWITCH);
+ CHECK_MODIFIER(MOD1);
+ CHECK_MODIFIER(MOD2);
+ CHECK_MODIFIER(MOD3);
+ CHECK_MODIFIER(MOD4);
+ CHECK_MODIFIER(MOD5);
+
+ /* No modifier found? Then we’re done with this step */
+ break;
+ }
+
+ LOG("Floating modifiers = %d\n", modifiers);
+ config.floating_modifier = modifiers;
+ continue;
+ }
+
+ /* workspace "workspace number" [screen <screen>] ["name of the workspace"]
+ * with screen := <number> | <position>, e.g. screen 1280 or screen 1 */
+ if (strcasecmp(key, "name") == 0 || strcasecmp(key, "workspace") == 0) {
+ LOG("workspace: %s\n",value);
+ char *ws_str = sstrdup(value);
+ char *end = strchr(ws_str, ' ');
+ if (end == NULL)
+ die("Malformed name, couln't find terminating space\n");
+ *end = '\0';
+
+ /* Strip trailing whitespace */
+ while (strlen(value) > 0 && value[strlen(value)-1] == ' ')
+ value[strlen(value)-1] = '\0';
+
+ int ws_num = atoi(ws_str);
+
+ if (ws_num < 1 || ws_num > 10)
+ die("Malformed name, invalid workspace number\n");
+
+ /* find the name */
+ char *name = value;
+ name += strlen(ws_str) + 1;
+
+ if (strncasecmp(name, "screen ", strlen("screen ")) == 0) {
+ char *screen = strdup(name + strlen("screen "));
+ if ((end = strchr(screen, ' ')) != NULL)
+ *end = '\0';
+ LOG("Setting preferred screen for workspace %d to \"%s\"\n", ws_num, screen);
+ workspaces[ws_num - 1].preferred_screen = screen;
+
+ name += strlen("screen ") + strlen(screen);
+
+ }
+
+ /* Strip leading whitespace */
+ while (*name != '\0' && *name == ' ')
+ name++;
+
+ LOG("rest to parse = %s\n", name);
+
+ if (name == '\0') {
+ free(ws_str);
+ continue;
+ }
+
+ LOG("setting name to \"%s\"\n", name);
+
+ workspace_set_name(&(workspaces[ws_num - 1]), name);
+ free(ws_str);
+ continue;
+ }
+
+ /* assign window class[/window title] → workspace */
+ if (strcasecmp(key, "assign") == 0) {
+ LOG("assign: \"%s\"\n", value);
+ char *class_title;
+ char *target;
+ char *end;
+
+ /* If the window class/title is quoted we skip quotes */
+ if (value[0] == '"') {
+ class_title = sstrdup(value+1);
+ end = strchr(class_title, '"');
+ } else {
+ class_title = sstrdup(value);
+ /* If it is not quoted, we terminate it at the first space */
+ end = strchr(class_title, ' ');
+ }
+ if (end == NULL)
+ die("Malformed assignment, couldn't find terminating quote\n");
+ *end = '\0';
+
+ /* Strip trailing whitespace */
+ while (strlen(value) > 0 && value[strlen(value)-1] == ' ')
+ value[strlen(value)-1] = '\0';
+
+ /* The target is the last argument separated by a space */
+ if ((target = strrchr(value, ' ')) == NULL)
+ die("Malformed assignment, couldn't find target (\"%s\")\n", value);
+ target++;
+
+ if (strchr(target, '~') == NULL && (atoi(target) < 1 || atoi(target) > 10))
+ die("Malformed assignment, invalid workspace number\n");
+
+ LOG("assignment parsed: \"%s\" to \"%s\"\n", class_title, target);
+
+ struct Assignment *new = scalloc(sizeof(struct Assignment));
+ new->windowclass_title = class_title;
+ if (strchr(target, '~') != NULL)
+ new->floating = ASSIGN_FLOATING_ONLY;
+
+ while (*target == '~')
+ target++;
+
+ if (atoi(target) >= 1 && atoi(target) <= 10) {
+ if (new->floating == ASSIGN_FLOATING_ONLY)
+ new->floating = ASSIGN_FLOATING;
+ new->workspace = atoi(target);
+ }
+ TAILQ_INSERT_TAIL(&assignments, new, assignments);
+
+ LOG("Assignment loaded: \"%s\":\n", class_title);
+ if (new->floating != ASSIGN_FLOATING_ONLY)
+ LOG(" to workspace %d\n", new->workspace);
+
+ if (new->floating != ASSIGN_FLOATING_NO)
+ LOG(" will be floating\n");
+
+ continue;
+ }
+
+ /* set a custom variable */
+ if (strcasecmp(key, "set") == 0) {
+ if (value[0] != '$')
+ die("Malformed variable assignment, name has to start with $\n");
+
+ /* get key/value for this variable */
+ char *v_key = value, *v_value;
+ if ((v_value = strstr(value, " ")) == NULL)
+ die("Malformed variable assignment, need a value\n");
+
+ *(v_value++) = '\0';
+
+ struct Variable *new = scalloc(sizeof(struct Variable));
+ new->key = sstrdup(v_key);
+ new->value = sstrdup(v_value);
+ SLIST_INSERT_HEAD(&variables, new, variables);
+ LOG("Got new variable %s = %s\n", v_key, v_value);
+ continue;
+ }
+
+ if (strcasecmp(key, "ipc-socket") == 0) {
+ config.ipc_socket_path = sstrdup(value);
+ continue;
+ }
+
+ die("Unknown configfile option: %s\n", key);
}
+ /* now grab all keys again */
+ if (reload)
+ grab_all_keys(conn);
fclose(handle);
REQUIRED_OPTION(terminal);
REQUIRED_OPTION(font);
+ while (!SLIST_EMPTY(&variables)) {
+ struct Variable *v = SLIST_FIRST(&variables);
+ SLIST_REMOVE_HEAD(&variables, variables);
+ free(v->key);
+ free(v->value);
+ free(v);
+ }
+
+ /* Set an empty name for every workspace which got no name */
+ for (int i = 0; i < 10; i++) {
+ Workspace *ws = &(workspaces[i]);
+ 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(&(workspaces[i]), NULL);
+ }
+
return;
}
projects / i3 / i3 / blobdiff