# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1526661810 -7200
# Node ID 22fa3b147e4ca2e5f64806ba5970073270efc714
# Parent  814f74f7f7cb1f52ab4446834fea1feeff342bf4
Clear the screen when full of key event label data.

diff -r 814f74f7f7cb -r 22fa3b147e4c pkg/landfall-examples/input_event_client/input_event_client.cc
--- a/pkg/landfall-examples/input_event_client/input_event_client.cc	Fri May 18 17:42:56 2018 +0200
+++ b/pkg/landfall-examples/input_event_client/input_event_client.cc	Fri May 18 18:43:30 2018 +0200
@@ -153,9 +153,12 @@
   if (!priv)
   {
     for (column = 0, mask = (1 << 9); column < 10; column++, mask >>= 1)
-      _screen->draw_box(Rect(Point(column * colsize, row * rowsize), Area(colsize, rowsize)),
-                        event.payload.code & mask ? event.payload.value ? Rgb32::Color(0, 255, 0) : Rgb32::Color(255, 0, 0)
-                                          : Rgb32::Color(0, 0, 0));
+      _screen->draw_box(Rect(Point(column * colsize, row * rowsize),
+                             Area(colsize, rowsize)),
+                        event.payload.code & mask ? (
+                          event.payload.value ? Rgb32::Color(0, 255, 0)
+                                              : Rgb32::Color(255, 0, 0))
+                          : Rgb32::Color(0, 0, 0));
 
     /* Advance to the next row, wrapping around. */
 
@@ -200,6 +203,10 @@
       text_x = 0;
       text_y = 0;
       next_y = box.h();
+
+      /* Clear the screen. */
+
+      _screen->draw_box(Rect(Point(0, 0), Area(view_info.width, view_info.height)), Rgb32::Color(0, 0, 0));
     }
 
     Point p(text_x, text_y);