Add 'src/jexer/' from commit 'cf01c92f5809a0732409e280fb0f32f27393618d'

[nikiroo-utils.git] / src / jexer / TText.java

diff --git a/src/jexer/TText.java b/src/jexer/TText.java
index e47a162c6f5fe7a38ca02381320d393bdace1a1e..22bc4b89051d31e586a60b91a274b55d3292bade 100644 (file)
--- a/src/jexer/TText.java
+++ b/src/jexer/TText.java
@@ -164,8 +164,10 @@ public class TText extends TScrollableWidget {
 
         lines = new LinkedList<String>();
 
-        vScroller = new TVScroller(this, getWidth() - 1, 0, getHeight() - 1);
-        hScroller = new THScroller(this, 0, getHeight() - 1, getWidth() - 1);
+        vScroller = new TVScroller(this, getWidth() - 1, 0,
+            Math.max(1, getHeight() - 1));
+        hScroller = new THScroller(this, 0, getHeight() - 1,
+            Math.max(1, getWidth() - 1));
         reflowData();
     }
 
@@ -181,8 +183,12 @@ public class TText extends TScrollableWidget {
     @Override
     public void setWidth(final int width) {
         super.setWidth(width);
-        hScroller.setWidth(getWidth() - 1);
-        vScroller.setX(getWidth() - 1);
+        if (hScroller != null) {
+            hScroller.setWidth(getWidth() - 1);
+        }
+        if (vScroller != null) {
+            vScroller.setX(getWidth() - 1);
+        }
     }
 
     /**
@@ -194,8 +200,12 @@ public class TText extends TScrollableWidget {
     @Override
     public void setHeight(final int height) {
         super.setHeight(height);
-        hScroller.setY(getHeight() - 1);
-        vScroller.setHeight(getHeight() - 1);
+        if (hScroller != null) {
+            hScroller.setY(getHeight() - 1);
+        }
+        if (vScroller != null) {
+            vScroller.setHeight(getHeight() - 1);
+        }
     }
 
     /**
@@ -215,8 +225,10 @@ public class TText extends TScrollableWidget {
             } else {
                 line = "";
             }
-            String formatString = "%-" + Integer.toString(getWidth() - 1) + "s";
-            putStringXY(0, topY, String.format(formatString, line), color);
+            if (getWidth() > 3) {
+                String formatString = "%-" + Integer.toString(getWidth() - 1) + "s";
+                putStringXY(0, topY, String.format(formatString, line), color);
+            }
             topY++;
 
             if (topY >= (getHeight() - 1)) {