i3 - improved tiling WM

Rerender on button press only when focus changes

Patch status: merged

Patch by Tony Crisci

Long description:

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

To apply this patch, use:
curl http://cr.i3wm.org/patch/539/raw.patch | git am

b/src/click.c

15 
@@ -171,6 +171,9 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
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     DLOG("--> OUTCOME = %p\n", con);
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     DLOG("type = %d, name = %s\n", con->type, con->name);
18
19 
+    /* if focus changes, we must rerender */
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+    Con *initially_focused = focused;
21 
+
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     /* don’t handle dockarea cons, they must not be focused */
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     if (con->parent->type == CT_DOCKAREA)
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         goto done;
25 
@@ -297,7 +300,10 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
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 done:
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     xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
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     xcb_flush(conn);
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-    tree_render();
30 
+
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+    if (initially_focused != focused)
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+        tree_render();
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+
34 
     return 0;
35 
 }
36