X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fio%2FScreen.java;h=1ecc4b185e0ee1eb8352211882c55bb39003d27b;hb=e7083f0b935964ca5a04835187397ff117941044;hp=81dabd246a8f607a4c87994c70a65880482eda0a;hpb=87a17f3ca4b2602c396afdbb13cccb4c1e7cbd38;p=fanfix.git

diff --git a/src/jexer/io/Screen.java b/src/jexer/io/Screen.java
index 81dabd2..1ecc4b1 100644
--- a/src/jexer/io/Screen.java
+++ b/src/jexer/io/Screen.java
@@ -183,7 +183,17 @@ public abstract class Screen {
     /**
      * When true, logical != physical.
      */
-    protected boolean dirty;
+    protected volatile boolean dirty;
+
+    /**
+     * Get dirty flag.
+     *
+     * @return if true, the logical screen is not in sync with the physical
+     * screen
+     */
+    public final boolean isDirty() {
+        return dirty;
+    }
 
     /**
      * Set if the user explicitly wants to redraw everything starting with a
@@ -215,7 +225,6 @@ public abstract class Screen {
      * @return attributes at (x, y)
      */
     public final CellAttributes getAttrXY(final int x, final int y) {
-
         CellAttributes attr = new CellAttributes();
         if ((x >= 0) && (x < width) && (y >= 0) && (y < height)) {
             attr.setTo(logical[x][y]);
@@ -581,12 +590,24 @@ public abstract class Screen {
     }
 
     /**
-     * Force the screen to be fully cleared and redrawn on the next flush().
+     * Clear the logical screen.
      */
     public final void clear() {
         reset();
     }
 
+    /**
+     * Clear the physical screen.
+     */
+    public final void clearPhysical() {
+        dirty = true;
+        for (int row = 0; row < height; row++) {
+            for (int col = 0; col < width; col++) {
+                physical[col][row].reset();
+            }
+        }
+    }
+
     /**
      * Draw a box with a border and empty background.
      *