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

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

diff --git a/src/jexer/TEditorWidget.java b/src/jexer/TEditorWidget.java
index 94f1a3be545b2a401f8e32d2920faf3268c5fc1a..a694533bf6df0ed3ee4d6e694f0d1b507deab7a3 100644 (file)
--- a/src/jexer/TEditorWidget.java
+++ b/src/jexer/TEditorWidget.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (C) 2017 Kevin Lamonte
+ * Copyright (C) 2019 Kevin Lamonte
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -207,6 +207,16 @@ public class TEditorWidget extends TWidget {
         } else if (keypress.equals(kbRight)) {
             document.right();
             alignTopLine(true);
+        } else if (keypress.equals(kbAltLeft)
+            || keypress.equals(kbCtrlLeft)
+        ) {
+            document.backwardsWord();
+            alignTopLine(false);
+        } else if (keypress.equals(kbAltRight)
+            || keypress.equals(kbCtrlRight)
+        ) {
+            document.forwardsWord();
+            alignTopLine(true);
         } else if (keypress.equals(kbUp)) {
             document.up();
             alignTopLine(false);
@@ -247,7 +257,9 @@ public class TEditorWidget extends TWidget {
         } else if (keypress.equals(kbDel)) {
             document.del();
             alignCursor();
-        } else if (keypress.equals(kbBackspace)) {
+        } else if (keypress.equals(kbBackspace)
+            || keypress.equals(kbBackspaceDel)
+        ) {
             document.backspace();
             alignTopLine(false);
         } else if (keypress.equals(kbTab)) {
@@ -449,6 +461,29 @@ public class TEditorWidget extends TWidget {
         }
     }
 
+    /**
+     * Set the current visible column number.  1-based.
+     *
+     * @return the visible column number.  Column 1 is the first column.
+     */
+    public int getVisibleColumnNumber() {
+        return leftColumn + 1;
+    }
+
+    /**
+     * Set the current visible column number.  1-based.
+     *
+     * @param column the new visible column number.  Column 1 is the first
+     * column.
+     */
+    public void setVisibleColumnNumber(final int column) {
+        assert (column > 0);
+        if ((column > 0) && (column < document.getLineLengthMax())) {
+            leftColumn = column - 1;
+            alignDocument(true);
+        }
+    }
+
     /**
      * Get the current editing column number.  1-based.
      *