TripleAFrame.java - Increase arrow scroll speed and add multiplier key.

Scroll speed increased from 50 to 100, control key multiplies by 5. Movement help notes updated so the line about arrow scrolling is slightly shorter and now mentions the control key multiplier.

src/games/strategy/triplea/ui/TripleAFrame.java

@@ -1745,14 +1745,14 @@ public void run() {
     }
   };
   final KeyListener m_arrowKeyActionListener = new KeyListener() {
-    final int diffPixel = 50;
-
     @Override
     public void keyPressed(final KeyEvent e) {
       // scroll map according to wasd/arrowkeys
+      final int diffPixel = computeScrollSpeed(e);
       final int x = m_mapPanel.getXOffset();
       final int y = m_mapPanel.getYOffset();
       final int keyCode = e.getKeyCode();
+
       if (keyCode == KeyEvent.VK_RIGHT || keyCode == KeyEvent.VK_D) {
         getMapPanel().setTopLeft(x + diffPixel, y);
       } else if (keyCode == KeyEvent.VK_LEFT || keyCode == KeyEvent.VK_A) {
@@ -1818,6 +1818,17 @@ public void keyTyped(final KeyEvent e) {}
     public void keyReleased(final KeyEvent e) {}
   };
 
+  private static int computeScrollSpeed(final KeyEvent e) {
+    int multiplier = 1;
+
+    if (e.isControlDown()) {
+      multiplier = 5;
+    }
+
+    final int starterDiffPixel = 100;
+    return (starterDiffPixel * multiplier);
+  }
+
   private void showEditMode() {
     m_tabsPanel.addTab("Edit", m_editPanel);
     if (m_editDelegate != null) {

src/games/strategy/triplea/ui/TripleaMenu.java

@@ -147,7 +147,7 @@ public void actionPerformed(final ActionEvent e) {
             + "CTRL-Left click on a territory to select the territory as a way point (this will force the units to move through this territory on their way to the destination).<br>"
             + "<br><b> Moving the Map Screen</b><br>"
             + "Right click and Drag the mouse to move your screen over the map.<br>"
-            + "Left click on the map (anywhere), then use the Arrow Keys (or WASD) to move your map around.<br>"
+            + "Left click the map (anywhere), use the arrow keys (or WASD keys) to move your map around. Holding down control will move the map faster.<br />"
             + "Left click in the Minimap at the top right of the screen, and Drag the mouse.<br>"
             + "Move the mouse to the edge of the map window, and the screen will scroll in that direction.<br>"
             + "Scrolling the mouse wheel will move the map up and down.<br>" + "<br><b> Zooming Out</b><br>"