From f72214725ca528a47d9d41106bd297c42ab448c9 Mon Sep 17 00:00:00 2001 From: Michael Stapelberg Date: Tue, 31 Mar 2009 10:46:12 +0200 Subject: [PATCH] Implement jumping to windows by matching their class / title --- CMDMODE | 2 +- include/util.h | 4 +-- src/commands.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++---- src/util.c | 6 ++-- 4 files changed, 91 insertions(+), 11 deletions(-) diff --git a/CMDMODE b/CMDMODE index 37dcb3a3..0231c705 100644 --- a/CMDMODE +++ b/CMDMODE @@ -17,7 +17,7 @@ with := { [ ] }+ oder -jump := [ ] +jump := [ "[/]" | [ ] ] oder diff --git a/include/util.h b/include/util.h index 3ea2b3a7..fba1206f 100644 --- a/include/util.h +++ b/include/util.h @@ -22,8 +22,8 @@ #define CIRCLEQ_PREV_OR_NULL(head, elm, field) (CIRCLEQ_PREV(elm, field) != CIRCLEQ_END(head) ? \ CIRCLEQ_PREV(elm, field) : NULL) #define FOR_TABLE(workspace) \ - for (int cols = 0; cols < workspace->cols; cols++) \ - for (int rows = 0; rows < workspace->rows; rows++) + for (int cols = 0; cols < (workspace)->cols; cols++) \ + for (int rows = 0; rows < (workspace)->rows; rows++) #define FREE(pointer) do { \ if (pointer == NULL) { \ free(pointer); \ diff --git a/src/commands.c b/src/commands.c index 0462438a..95c60c8e 100644 --- a/src/commands.c +++ b/src/commands.c @@ -585,18 +585,93 @@ void show_workspace(xcb_connection_t *conn, int workspace) { render_layout(conn); } +/* + * 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 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) + * 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* arg_str) { +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; } diff --git a/src/util.c b/src/util.c index c3e45c51..2ac0beb5 100644 --- a/src/util.c +++ b/src/util.c @@ -213,11 +213,13 @@ char *convert_utf8_to_ucs2(char *input, int *real_strlen) { int rc = iconv(conversion_descriptor, (void*)&input, &input_size, &output, &output_size); if (rc == (size_t)-1) { perror("Converting to UCS-2 failed"); - *real_strlen = 0; + if (real_strlen != NULL) + *real_strlen = 0; return NULL; } - *real_strlen = ((buffer_size - output_size) / 2) - 1; + if (real_strlen != NULL) + *real_strlen = ((buffer_size - output_size) / 2) - 1; return buffer; } -- 2.39.5