window focus events and enable/disable menu items

[fanfix.git] / src / jexer / demos / DemoTextWindow.java

diff --git a/src/jexer/demos/DemoTextWindow.java b/src/jexer/demos/DemoTextWindow.java
index 81235cdad2d1b8330dfcc8de0d6602838e2ea42e..75fd40bd47f69cb969970ea6af7f90bb3b49b1bc 100644 (file)
--- a/src/jexer/demos/DemoTextWindow.java
+++ b/src/jexer/demos/DemoTextWindow.java
@@ -44,17 +44,31 @@ public class DemoTextWindow extends TWindow {
      */
     private TText textField;
 
+    /**
+     * Public constructor makes a text window out of any string.
+     *
+     * @param parent the main application
+     * @param title the text string
+     * @param text the text string
+     */
+    public DemoTextWindow(final TApplication parent, final String title,
+        final String text) {
+
+        super(parent, title, 0, 0, 44, 20, RESIZABLE);
+        textField = addText(text, 1, 1, 40, 16);
+    }
+
     /**
      * Public constructor.
      *
      * @param parent the main application
      */
     public DemoTextWindow(final TApplication parent) {
-        super(parent, "Text Areas", 0, 0, 44, 20, RESIZABLE);
-
-        textField = addText(
+        this(parent, "Text Area",
 "This is an example of a reflowable text field.  Some example text follows.\n" +
 "\n" +
+"Notice that some menu items should be disabled when this window has focus.\n" +
+"\n" +
 "This library implements a text-based windowing system loosely\n" +
 "reminiscient of Borland's [Turbo\n" +
 "Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library.  For those\n" +
@@ -62,16 +76,11 @@ public class DemoTextWindow extends TWindow {
 "Sigala's updated version](http://tvision.sourceforge.net/) that runs\n" +
 "on many more platforms.\n" +
 "\n" +
-"Currently the only console platform supported is Posix (tested on\n" +
-"Linux).  Input/output is handled through terminal escape sequences\n" +
-"generated by the library itself: ncurses is not required or linked to. \n" +
-"xterm mouse tracking using UTF8 coordinates is supported.\n" +
-"\n" +
 "This library is licensed LGPL (\"GNU Lesser General Public License\")\n" +
 "version 3 or greater.  See the file COPYING for the full license text,\n" +
 "which includes both the GPL v3 and the LGPL supplemental terms.\n" +
-"\n",
-            1, 1, 40, 16);
+"\n");
+
     }
 
     /**
@@ -94,5 +103,24 @@ public class DemoTextWindow extends TWindow {
             widget.onResize(event);
         }
     }
-}
 
+    /**
+     * Play with menu items.
+     */
+    public void onFocus() {
+        getApplication().enableMenuItem(2001);
+        getApplication().disableMenuItem(TMenu.MID_SHELL);
+        getApplication().disableMenuItem(TMenu.MID_EXIT);
+    }
+
+    /**
+     * Called by application.switchWindow() when another window gets the
+     * focus.
+     */
+    public void onUnfocus() {
+        getApplication().disableMenuItem(2001);
+        getApplication().enableMenuItem(TMenu.MID_SHELL);
+        getApplication().enableMenuItem(TMenu.MID_EXIT);
+    }
+
+}