Add a new option, mouse-resize-pane. When on, panes may be resized by

dragging their borders. From hsim at gmx.li.

1 files changed, 17 insertions, 1 deletions

diff --git a/server-client.c b/server-client.c
index f21f9c36..7ef91236 100644
--- a/server-client.c
+++ b/server-client.c
@@ -89,6 +89,9 @@ server_client_create(int fd)
 	c->prompt_buffer = NULL;
 	c->prompt_index = 0;
 
+	c->last_mouse.b = MOUSE_UP;
+	c->last_mouse.x = c->last_mouse.y = -1;
+
 	evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
 
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
@@ -344,6 +347,9 @@ server_client_handle_key(int key, struct mouse_event *mouse, void *data)
 				return;
 			}
 		}
+		if (options_get_number(oo, "mouse-resize-pane"))
+			layout_resize_pane_mouse(c, mouse);
+		memcpy(&c->last_mouse, mouse, sizeof c->last_mouse);
 		window_pane_mouse(wp, c->session, mouse);
 		return;
 	}
@@ -476,14 +482,24 @@ server_client_reset_state(struct client *c)
 		tty_cursor(&c->tty, wp->xoff + s->cx, wp->yoff + s->cy);
 
 	/*
+	 * Resizing panes with the mouse requires at least button mode to give
+	 * a smooth appearance.
+	 */
+	mode = s->mode;
+	if ((c->last_mouse.b & MOUSE_RESIZE_PANE) &&
+	    !(mode & (MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)))
+		mode |= MODE_MOUSE_BUTTON;
+
+	/*
 	 * Any mode will do for mouse-select-pane, but set standard mode if
 	 * none.
 	 */
-	mode = s->mode;
 	if ((mode & ALL_MOUSE_MODES) == 0) {
 		if (TAILQ_NEXT(TAILQ_FIRST(&w->panes), entry) != NULL &&
 		    options_get_number(oo, "mouse-select-pane"))
 			mode |= MODE_MOUSE_STANDARD;
+		else if (options_get_number(oo, "mouse-resize-pane"))
+			mode |= MODE_MOUSE_STANDARD;
 		else if (options_get_number(oo, "mouse-select-window"))
 			mode |= MODE_MOUSE_STANDARD;
 		else if (options_get_number(wo, "mode-mouse"))