Rerender on button press only when focus changes

On button press events, the only change in state that would presently
require rerendering the tree is when the focused window changes.

diff --git a/src/click.c b/src/click.c
index 91964b939c8f59f766ec5c6069b1adff57dcb0e9..9b85b71102828bc5a45920db87ec60afd359e073 100644 (file)
--- a/src/click.c
+++ b/src/click.c
@@ -171,6 +171,9 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
     DLOG("--> OUTCOME = %p\n", con);
     DLOG("type = %d, name = %s\n", con->type, con->name);
 
+    /* if focus changes, we must rerender */
+    Con *initially_focused = focused;
+
     /* don’t handle dockarea cons, they must not be focused */
     if (con->parent->type == CT_DOCKAREA)
         goto done;
@@ -297,7 +300,10 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
 done:
     xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
     xcb_flush(conn);
-    tree_render();
+
+    if (initially_focused != focused)
+        tree_render();
+
     return 0;
 }