Add StatusLeft and StatusRight mouse key modifiers for the left and

right parts of the status line.

key-string.c

@@ -271,6 +271,10 @@ key_string_lookup_key(key_code key)
 		return ("MouseMovePane");
 	if (key == KEYC_MOUSEMOVE_STATUS)
 		return ("MouseMoveStatus");
+	if (key == KEYC_MOUSEMOVE_STATUS_LEFT)
+		return ("MouseMoveStatusLeft");
+	if (key == KEYC_MOUSEMOVE_STATUS_RIGHT)
+		return ("MouseMoveStatusRight");
 	if (key == KEYC_MOUSEMOVE_BORDER)
 		return ("MouseMoveBorder");
 	if (key >= KEYC_USER && key < KEYC_USER + KEYC_NUSER) {

server-client.c

@@ -416,7 +416,7 @@ server_client_check_mouse(struct client *c)
 	key_code		 key;
 	struct timeval		 tv;
 	enum { NOTYPE, MOVE, DOWN, UP, DRAG, WHEEL, DOUBLE, TRIPLE } type;
-	enum { NOWHERE, PANE, STATUS, BORDER } where;
+	enum { NOWHERE, PANE, STATUS, STATUS_LEFT, STATUS_RIGHT, BORDER } where;
 
 	type = NOTYPE;
 	where = NOWHERE;
@@ -495,19 +495,25 @@ have_event:
 	if (type == NOTYPE)
 		return (KEYC_UNKNOWN);
 
-	/* Always save the session. */
+	/* Save the session. */
 	m->s = s->id;
+	m->w = -1;
 
 	/* Is this on the status line? */
 	m->statusat = status_at_line(c);
 	if (m->statusat != -1 && y == (u_int)m->statusat) {
-		w = status_get_window_at(c, x);
+		if (x < c->status.left_size)
-		if (w == NULL)
+			where = STATUS_LEFT;
-			return (KEYC_UNKNOWN);
+		else if (x > c->tty.sx - c->status.right_size)
-		m->w = w->id;
+			where = STATUS_RIGHT;
-		where = STATUS;
+		else {
-	} else
+			w = status_get_window_at(c, x);
-		m->w = -1;
+			if (w == NULL)
+				return (KEYC_UNKNOWN);
+			m->w = w->id;
+			where = STATUS;
+		}
+	}
 
 	/* Not on status line. Adjust position and check for border or pane. */
 	if (where == NOWHERE) {
@@ -560,6 +566,10 @@ have_event:
 				key = KEYC_MOUSEDRAGEND1_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDRAGEND1_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDRAGEND1_BORDER;
 			break;
@@ -568,6 +578,10 @@ have_event:
 				key = KEYC_MOUSEDRAGEND2_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDRAGEND2_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDRAGEND2_BORDER;
 			break;
@@ -576,6 +590,10 @@ have_event:
 				key = KEYC_MOUSEDRAGEND3_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDRAGEND3_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDRAGEND3_BORDER;
 			break;
@@ -611,6 +629,10 @@ have_event:
 					key = KEYC_MOUSEDRAG1_PANE;
 				if (where == STATUS)
 					key = KEYC_MOUSEDRAG1_STATUS;
+				if (where == STATUS_LEFT)
+					key = KEYC_MOUSEDRAG1_STATUS_LEFT;
+				if (where == STATUS_RIGHT)
+					key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
 				if (where == BORDER)
 					key = KEYC_MOUSEDRAG1_BORDER;
 				break;
@@ -619,6 +641,10 @@ have_event:
 					key = KEYC_MOUSEDRAG2_PANE;
 				if (where == STATUS)
 					key = KEYC_MOUSEDRAG2_STATUS;
+				if (where == STATUS_LEFT)
+					key = KEYC_MOUSEDRAG2_STATUS_LEFT;
+				if (where == STATUS_RIGHT)
+					key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
 				if (where == BORDER)
 					key = KEYC_MOUSEDRAG2_BORDER;
 				break;
@@ -627,6 +653,10 @@ have_event:
 					key = KEYC_MOUSEDRAG3_PANE;
 				if (where == STATUS)
 					key = KEYC_MOUSEDRAG3_STATUS;
+				if (where == STATUS_LEFT)
+					key = KEYC_MOUSEDRAG3_STATUS_LEFT;
+				if (where == STATUS_RIGHT)
+					key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
 				if (where == BORDER)
 					key = KEYC_MOUSEDRAG3_BORDER;
 				break;
@@ -645,6 +675,10 @@ have_event:
 				key = KEYC_WHEELUP_PANE;
 			if (where == STATUS)
 				key = KEYC_WHEELUP_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_WHEELUP_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_WHEELUP_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_WHEELUP_BORDER;
 		} else {
@@ -663,6 +697,10 @@ have_event:
 				key = KEYC_MOUSEUP1_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEUP1_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEUP1_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEUP1_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEUP1_BORDER;
 			break;
@@ -671,6 +709,10 @@ have_event:
 				key = KEYC_MOUSEUP2_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEUP2_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEUP2_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEUP2_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEUP2_BORDER;
 			break;
@@ -679,6 +721,10 @@ have_event:
 				key = KEYC_MOUSEUP3_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEUP3_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEUP3_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEUP3_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEUP3_BORDER;
 			break;
@@ -691,6 +737,10 @@ have_event:
 				key = KEYC_MOUSEDOWN1_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDOWN1_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDOWN1_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDOWN1_BORDER;
 			break;
@@ -699,6 +749,10 @@ have_event:
 				key = KEYC_MOUSEDOWN2_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDOWN2_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDOWN2_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDOWN2_BORDER;
 			break;
@@ -707,6 +761,10 @@ have_event:
 				key = KEYC_MOUSEDOWN3_PANE;
 			if (where == STATUS)
 				key = KEYC_MOUSEDOWN3_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_MOUSEDOWN3_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_MOUSEDOWN3_BORDER;
 			break;
@@ -719,6 +777,10 @@ have_event:
 				key = KEYC_DOUBLECLICK1_PANE;
 			if (where == STATUS)
 				key = KEYC_DOUBLECLICK1_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_DOUBLECLICK1_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_DOUBLECLICK1_BORDER;
 			break;
@@ -727,6 +789,10 @@ have_event:
 				key = KEYC_DOUBLECLICK2_PANE;
 			if (where == STATUS)
 				key = KEYC_DOUBLECLICK2_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_DOUBLECLICK2_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_DOUBLECLICK2_BORDER;
 			break;
@@ -735,6 +801,10 @@ have_event:
 				key = KEYC_DOUBLECLICK3_PANE;
 			if (where == STATUS)
 				key = KEYC_DOUBLECLICK3_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_DOUBLECLICK3_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_DOUBLECLICK3_BORDER;
 			break;
@@ -747,6 +817,10 @@ have_event:
 				key = KEYC_TRIPLECLICK1_PANE;
 			if (where == STATUS)
 				key = KEYC_TRIPLECLICK1_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_TRIPLECLICK1_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_TRIPLECLICK1_BORDER;
 			break;
@@ -755,6 +829,10 @@ have_event:
 				key = KEYC_TRIPLECLICK2_PANE;
 			if (where == STATUS)
 				key = KEYC_TRIPLECLICK2_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_TRIPLECLICK2_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_TRIPLECLICK2_BORDER;
 			break;
@@ -763,6 +841,10 @@ have_event:
 				key = KEYC_TRIPLECLICK3_PANE;
 			if (where == STATUS)
 				key = KEYC_TRIPLECLICK3_STATUS;
+			if (where == STATUS_LEFT)
+				key = KEYC_TRIPLECLICK3_STATUS_LEFT;
+			if (where == STATUS_RIGHT)
+				key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
 			if (where == BORDER)
 				key = KEYC_TRIPLECLICK3_BORDER;
 			break;

status.c

@@ -511,6 +511,10 @@ draw:
 	screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
 	screen_free(&window_list);
 
+	/* Save left and right size. */
+	c->status.left_size = llen;
+	c->status.right_size = rlen;
+
 	screen_write_stop(&ctx);
 
 out:

tmux.1

@@ -3504,7 +3504,10 @@ and a location suffix (one of
 for the contents of a pane,
 .Ql Border
 for a pane border or
-.Ql Status
+.Ql Status ,
+.Ql StatusLeft ,
+or
+.Ql StatusRight
 for the status line).
 The following mouse events are available:
 .Bl -column "MouseDown1" "MouseDrag1" "WheelDown" -offset indent

tmux.h

@@ -116,13 +116,17 @@ struct tmuxproc;
 #define KEYC_CLICK_TIMEOUT 300
 
 /* Mouse key codes. */
-#define KEYC_MOUSE_KEY(name)				\
+#define KEYC_MOUSE_KEY(name)					\
-	KEYC_ ## name ## _PANE,				\
+	KEYC_ ## name ## _PANE,					\
-	KEYC_ ## name ## _STATUS,			\
+	KEYC_ ## name ## _STATUS,				\
+	KEYC_ ## name ## _STATUS_LEFT,				\
+	KEYC_ ## name ## _STATUS_RIGHT,				\
 	KEYC_ ## name ## _BORDER
-#define KEYC_MOUSE_STRING(name, s)			\
+#define KEYC_MOUSE_STRING(name, s)				\
-	{ #s "Pane", KEYC_ ## name ## _PANE },		\
+	{ #s "Pane", KEYC_ ## name ## _PANE },			\
-	{ #s "Status", KEYC_ ## name ## _STATUS },	\
+	{ #s "Status", KEYC_ ## name ## _STATUS },		\
+	{ #s "StatusLeft", KEYC_ ## name ## _STATUS_LEFT },	\
+	{ #s "StatusRight", KEYC_ ## name ## _STATUS_RIGHT },	\
 	{ #s "Border", KEYC_ ## name ## _BORDER }
 
 /*
@@ -1283,6 +1287,9 @@ struct status_line {
 	struct screen	*old_status;
 
 	int		 window_list_offset;
+
+	u_int            left_size;
+	u_int            right_size;
 };
 
 /* Client connection. */