[hackers] [st] Remove WIN_REDRAW flag. || noname@inventati.org

[git]

commit 2fdcc5e5f633083eb5e52b201862106a2c547df9
Author: non...@inventati.org <non...@inventati.org>
Date:   Sat Apr 18 19:33:11 2015 +0200

    Remove WIN_REDRAW flag.
    
    WIN_REDRAW flag was not used since introduction of Xdbe
    in commit 94771d05886fbdd2422e66b7c0256ab27fa375cb

diff --git a/st.c b/st.c
index 71b1521..c805117 100644
--- a/st.c
+++ b/st.c
@@ -158,8 +158,7 @@ enum escape_state {
 
 enum window_state {
        WIN_VISIBLE = 1,
-       WIN_REDRAW  = 2,
-       WIN_FOCUSED = 4
+       WIN_FOCUSED = 2
 };
 
 enum selection_type {
@@ -3739,12 +3738,6 @@ drawregion(int x1, int y1, int x2, int y2) {
 
 void
 expose(XEvent *ev) {
-       XExposeEvent *e = &ev->xexpose;
-
-       if(xw.state & WIN_REDRAW) {
-               if(!e->count)
-                       xw.state &= ~WIN_REDRAW;
-       }
        redraw();
 }
 
@@ -3752,12 +3745,7 @@ void
 visibility(XEvent *ev) {
        XVisibilityEvent *e = &ev->xvisibility;
 
-       if(e->state == VisibilityFullyObscured) {
-               xw.state &= ~WIN_VISIBLE;
-       } else if(!(xw.state & WIN_VISIBLE)) {
-               /* need a full redraw for next Expose, not just a buf copy */
-               xw.state |= WIN_VISIBLE | WIN_REDRAW;
-       }
+       MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
 }
 
 void