New options for swap: --{keep,swap}-focus

README.md

@@ -101,7 +101,7 @@ The following messages are handled:
 
 - `shift left|right|up|down` — Exchange the current window with the given neighbor.
 
-- `swap` — Swap the focused window the last focused window.
+- `swap [--swap-focus|--keep-focus]` — Swap the focused window the last focused window.
 
 - `push left|right|up|down` — Push the fence located in the given direction.
 

bspwm.1

@@ -133,7 +133,7 @@ Focus the neighbor window situated in the given direction.
 .BI shift " left|right|up|down"
 Exchange the current window with the given neighbor.
 .TP
-.BI swap
+.BI swap " [--swap-focus|--keep-focus]"
 Swap the focused window with the last focused window.
 .TP
 .BI push " left|right|up|down"

messages.c

@@ -395,7 +395,12 @@ void process_message(char *msg, char *rsp)
                 remove_rule_by_uid(uid);
         return;
     } else if (strcmp(cmd, "swap") == 0) {
-        swap_nodes(mon->desk->focus, history_get(mon->desk->history, 1));
+        node_t *last_focus = history_get(mon->desk->history, 1);
+        swap_nodes(mon->desk->focus, last_focus);
+        char *opt = strtok(NULL, TOK_SEP);
+        swap_option_t o;
+        if (parse_swap_option(opt, &o) && o == SWAP_OPTION_SWAP_FOCUS)
+            focus_node(mon, mon->desk, last_focus);
     } else if (strcmp(cmd, "alternate") == 0) {
         focus_node(mon, mon->desk, history_get(mon->desk->history, 1));
         return;
@@ -753,6 +758,18 @@ bool parse_send_option(char *s, send_option_t *o)
     return false;
 }
 
+bool parse_swap_option(char *s, swap_option_t *o)
+{
+    if (s == NULL || strcmp(s, "--swap-focus") == 0) {
+        *o = SWAP_OPTION_SWAP_FOCUS;
+        return true;
+    } else if (strcmp(s, "--keep-focus") == 0) {
+        *o = SWAP_OPTION_KEEP_FOCUS;
+        return true;
+    }
+    return false;
+}
+
 bool parse_rotate(char *s, rotate_t *r)
 {
     if (strcmp(s, "clockwise") == 0) {

messages.h

@@ -16,6 +16,7 @@ bool parse_cycle_direction(char *, cycle_dir_t *);
 bool parse_circulate_direction(char *, circulate_dir_t *);
 bool parse_list_option(char *, list_option_t *);
 bool parse_send_option(char *, send_option_t *);
+bool parse_swap_option(char *, swap_option_t *);
 bool parse_skip_client(char *, skip_client_t *);
 bool parse_skip_desktop(char *, skip_desktop_t *);
 bool parse_rotate(char *, rotate_t *);

types.h

@@ -46,6 +46,11 @@ typedef enum {
     SEND_OPTION_DONT_FOLLOW
 } send_option_t;
 
+typedef enum {
+    SWAP_OPTION_KEEP_FOCUS,
+    SWAP_OPTION_SWAP_FOCUS
+} swap_option_t;
+
 typedef enum {
     CLIENT_SKIP_NONE,
     CLIENT_SKIP_FLOATING,