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Implement jumping to windows by matching their class / title

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This commit is contained in:
Michael Stapelberg
2009-03-31 10:46:12 +02:00
parent e295ab302b
commit f72214725c
4 changed files with 92 additions and 12 deletions
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92
src/commands.c
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@ -586,17 +586,92 @@ void show_workspace(xcb_connection_t *conn, int workspace) {
}
/*
* Jump directly to the specified workspace, row and col.
* Great for reaching windows that you always keep in the
* same spot (hello irssi, I'm looking at you)
* Checks if the given window class and title match the given client
* Window title is passed as "normal" string and as UCS-2 converted string for
* matching _NET_WM_NAME capable clients as well as those using legacy hints.
*
*/
static void jump_to_container(xcb_connection_t *conn, const char* arg_str) {
static bool client_matches_class_name(Client *client, char *to_class, char *to_title,
char *to_title_ucs, int to_title_ucs_len) {
/* Check if the given class is part of the window class */
if (strcasestr(client->window_class, to_class) == NULL)
return false;
/* If no title was given, we’re done */
if (to_title == NULL)
return true;
if (client->name_len > -1) {
/* UCS-2 converted window titles */
if (memmem(client->name, (client->name_len * 2), to_title_ucs, (to_title_ucs_len * 2)) == NULL)
return false;
} else {
/* Legacy hints */
if (strcasestr(client->name, to_title) == NULL)
return false;
}
return true;
}
/*
* Jumps to the given window class / title.
* Title is matched using strstr, that is, matches if it appears anywhere
* in the string. Regular expressions seem to be a bit overkill here. However,
* if we need them for something else somewhen, we may introduce them here, too.
*
*/
static void jump_to_window(xcb_connection_t *conn, const char *arguments) {
char *to_class, *to_title, *to_title_ucs = NULL;
int to_title_ucs_len;
/* The first character is a quote, this was checked before */
to_class = sstrdup(arguments+1);
/* The last character is a quote, we just set it to NULL */
to_class[strlen(to_class)-1] = '\0';
/* If a title was specified, split both strings at the slash */
if ((to_title = strstr(to_class, "/")) != NULL) {
*(to_title++) = '\0';
/* Convert to UCS-2 */
to_title_ucs = convert_utf8_to_ucs2(to_title, &to_title_ucs_len);
}
LOG("Should jump to class \"%s\" / title \"%s\"\n", to_class, to_title);
for (int workspace = 0; workspace < 10; workspace++) {
if (workspaces[workspace].screen == NULL)
continue;
FOR_TABLE(&(workspaces[workspace])) {
Container *con = workspaces[workspace].table[cols][rows];
Client *client;
CIRCLEQ_FOREACH(client, &(con->clients), clients) {
LOG("Checking client with class=%s, name=%s\n", client->window_class, client->name);
if (client_matches_class_name(client, to_class, to_title, to_title_ucs, to_title_ucs_len)) {
set_focus(conn, client);
goto done;
}
}
}
}
done:
free(to_class);
FREE(to_title_ucs);
}
/*
* Jump directly to the specified workspace, row and col.
* Great for reaching windows that you always keep in the same spot (hello irssi, I'm looking at you)
*
*/
static void jump_to_container(xcb_connection_t *conn, const char *arguments) {
int ws, row, col;
int result;
result = sscanf(arg_str, "%d %d %d", &ws, &col, &row);
LOG("Jump called with %d parameters (\"%s\")\n", result, arg_str);
result = sscanf(arguments, "%d %d %d", &ws, &col, &row);
LOG("Jump called with %d parameters (\"%s\")\n", result, arguments);
/* No match? Either no arguments were specified, or no numbers */
if (result < 1) {
@ -664,7 +739,10 @@ void parse_command(xcb_connection_t *conn, const char *command) {
/* Is it a jump to a specified workspae,row,col? */
if (STARTS_WITH(command, "jump ")) {
jump_to_container(conn, command + strlen("jump "));
const char *arguments = command + strlen("jump ");
if (arguments[0] == '"')
jump_to_window(conn, arguments);
else jump_to_container(conn, arguments);
return;
}