Merge branch 'subtree'

[fanfix.git] / src / jexer / TButton.java

diff --git a/src/jexer/TButton.java b/src/jexer/TButton.java
index 83ff2d241f0c1c31dc27b45c65285c346f87b417..d1d7b390cca0170e0c33f9cde044e968c64fc947 100644 (file)
--- a/src/jexer/TButton.java
+++ b/src/jexer/TButton.java
@@ -32,9 +32,11 @@ import jexer.bits.CellAttributes;
 import jexer.bits.Color;
 import jexer.bits.GraphicsChars;
 import jexer.bits.MnemonicString;
+import jexer.bits.StringUtils;
 import jexer.event.TKeypressEvent;
 import jexer.event.TMouseEvent;
-import static jexer.TKeypress.*;
+import static jexer.TKeypress.kbEnter;
+import static jexer.TKeypress.kbSpace;
 
 /**
  * TButton implements a simple button.  To make the button do something, pass
@@ -69,7 +71,8 @@ public class TButton extends TWidget {
     private TAction action;
 
     /**
-     * The background color used for the button "shadow".
+     * The background color used for the button "shadow", or null for "no
+     * shadow".
      */
     private CellAttributes shadowColor;
 
@@ -95,13 +98,20 @@ public class TButton extends TWidget {
 
         setX(x);
         setY(y);
-        setHeight(2);
-        setWidth(mnemonic.getRawLabel().length() + 3);
+        super.setHeight(2);
+        super.setWidth(StringUtils.width(mnemonic.getRawLabel()) + 3);
 
         shadowColor = new CellAttributes();
         shadowColor.setTo(getWindow().getBackground());
         shadowColor.setForeColor(Color.BLACK);
         shadowColor.setBold(false);
+
+        // Since we set dimensions after TWidget's constructor, we need to
+        // update the layout manager.
+        if (getParent().getLayoutManager() != null) {
+            getParent().getLayoutManager().remove(this);
+            getParent().getLayoutManager().add(this);
+        }
     }
 
     /**
@@ -119,6 +129,20 @@ public class TButton extends TWidget {
         this(parent, text, x, y);
         this.action = action;
     }
+    
+    /**
+     * The action to call when the button is pressed.
+     **/
+    public TAction getAction() {
+               return action;
+       }
+    
+    /**
+     * The action to call when the button is pressed.
+     **/
+    public void setAction(TAction action) {
+               this.action = action;
+       }
 
     // ------------------------------------------------------------------------
     // Event handlers ---------------------------------------------------------
@@ -212,6 +236,27 @@ public class TButton extends TWidget {
     // TWidget ----------------------------------------------------------------
     // ------------------------------------------------------------------------
 
+    /**
+     * Override TWidget's width: we can only set width at construction time.
+     *
+     * @param width new widget width (ignored)
+     */
+    @Override
+    public void setWidth(final int width) {
+        // Do nothing
+    }
+
+    /**
+     * Override TWidget's height: we can only set height at construction
+     * time.
+     *
+     * @param height new widget height (ignored)
+     */
+    @Override
+    public void setHeight(final int height) {
+        // Do nothing
+    }
+
     /**
      * Draw a button with a shadow.
      */
@@ -240,17 +285,19 @@ public class TButton extends TWidget {
             putStringXY(1, 0, mnemonic.getRawLabel(), buttonColor);
             putCharXY(getWidth() - 2, 0, ' ', buttonColor);
 
-            putCharXY(getWidth() - 1, 0,
-                GraphicsChars.CP437[0xDC], shadowColor);
-            hLineXY(1, 1, getWidth() - 1,
-                GraphicsChars.CP437[0xDF], shadowColor);
+            if (shadowColor != null) {
+                putCharXY(getWidth() - 1, 0,
+                    GraphicsChars.CP437[0xDC], shadowColor);
+                hLineXY(1, 1, getWidth() - 1,
+                    GraphicsChars.CP437[0xDF], shadowColor);
+            }
         }
-        if (mnemonic.getShortcutIdx() >= 0) {
+        if (mnemonic.getScreenShortcutIdx() >= 0) {
             if (inButtonPress) {
-                putCharXY(2 + mnemonic.getShortcutIdx(), 0,
+                putCharXY(2 + mnemonic.getScreenShortcutIdx(), 0,
                     mnemonic.getShortcut(), menuMnemonicColor);
             } else {
-                putCharXY(1 + mnemonic.getShortcutIdx(), 0,
+                putCharXY(1 + mnemonic.getScreenShortcutIdx(), 0,
                     mnemonic.getShortcut(), menuMnemonicColor);
             }
         }
@@ -275,21 +322,26 @@ public class TButton extends TWidget {
      */
     public void dispatch() {
         if (action != null) {
-            action.DO();
+            action.DO(this);
             inButtonPress = false;
         }
     }
 
     /**
-     * Set the background color used for the button "shadow".
+     * Set the background color used for the button "shadow".  If null, no
+     * shadow will be drawn.
      *
-     * @param color the new background color
+     * @param color the new background color, or null for no shadow
      */
     public void setShadowColor(final CellAttributes color) {
-        shadowColor = new CellAttributes();
-        shadowColor.setTo(color);
-        shadowColor.setForeColor(Color.BLACK);
-        shadowColor.setBold(false);
+        if (color != null) {
+            shadowColor = new CellAttributes();
+            shadowColor.setTo(color);
+            shadowColor.setForeColor(Color.BLACK);
+            shadowColor.setBold(false);
+        } else {
+            shadowColor = null;
+        }
     }
 
 }