From c77ccc33971183dba9cb66b40886a6b61fe8eaa0 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 24 Mar 2006 15:36:04 +0000
Subject: [PATCH] Cursor added

---
 src/jalview/gui/SequenceRenderer.java |   47 ++++++++++++++++++++++-----------
 1 file changed, 32 insertions(+), 15 deletions(-)

diff --git a/src/jalview/gui/SequenceRenderer.java b/src/jalview/gui/SequenceRenderer.java
index 0e4312a..ab6c1ab 100755
--- a/src/jalview/gui/SequenceRenderer.java
+++ b/src/jalview/gui/SequenceRenderer.java
@@ -57,9 +57,12 @@ public class SequenceRenderer
      *
      * @param b DOCUMENT ME!
      */
-    public void renderGaps(boolean b)
+    public void prepare(Graphics g, boolean renderGaps)
     {
-        renderGaps = b;
+        graphics = g;
+        fm = g.getFontMetrics();
+        monospacedFont = fm.getStringBounds("M",g).getWidth()==fm.getStringBounds("|",g).getWidth();
+        this.renderGaps = renderGaps;
     }
 
 
@@ -119,19 +122,13 @@ public class SequenceRenderer
      * @param width DOCUMENT ME!
      * @param height DOCUMENT ME!
      */
-    public void drawSequence(Graphics g, SequenceI seq, SequenceGroup[] sg,
+    public void drawSequence(SequenceI seq, SequenceGroup[] sg,
         int start, int end, int y1)
     {
         allGroups = sg;
 
-        graphics = g;
-
         drawBoxes(seq, start, end, y1);
 
-        fm = g.getFontMetrics();
-
-        monospacedFont = fm.getStringBounds("M",g).getWidth()==fm.getStringBounds("|",g).getWidth();
-
         drawText(seq, start, end, y1);
     }
 
@@ -326,13 +323,12 @@ public class SequenceRenderer
      * @param width DOCUMENT ME!
      * @param height DOCUMENT ME!
      */
-    public void drawHighlightedText(SequenceI seq, int start, int end, int x1,
-        int y1, int width, int height)
+    public void drawHighlightedText(SequenceI seq, int start, int end, int x1, int y1)
     {
-        int pady = height / 5;
+        int pady = av.charHeight / 5;
         int charOffset = 0;
         graphics.setColor(Color.BLACK);
-        graphics.fillRect(x1, y1, width * (end - start + 1), height);
+        graphics.fillRect(x1, y1, av.charWidth * (end - start + 1), av.charHeight);
         graphics.setColor(Color.white);
 
         char s = '~';
@@ -345,9 +341,30 @@ public class SequenceRenderer
                 s = seq.getSequence().charAt(i);
             }
 
-            charOffset = (width - fm.charWidth(s)) / 2;
+            charOffset = (av.charWidth - fm.charWidth(s)) / 2;
             graphics.drawString(String.valueOf(s),
-                charOffset + x1 + (width * (i - start)), (y1 + height) - pady);
+                charOffset + x1 + (av.charWidth * (i - start)),
+                (y1 + av.charHeight) - pady);
         }
     }
+
+    public void drawCursor(SequenceI seq, int res, int x1, int y1)
+    {
+      int pady = av.charHeight / 5;
+      int charOffset = 0;
+      graphics.setColor(Color.lightGray);
+      graphics.fillRect(x1, y1, av.charWidth, av.charHeight);
+      graphics.setColor(Color.white);
+
+      graphics.setColor(Color.white);
+
+      char s = seq.getCharAt(res);
+
+      charOffset = (av.charWidth - fm.charWidth(s)) / 2;
+      graphics.drawString(String.valueOf(s),
+                charOffset + x1,
+                (y1 + av.charHeight) - pady);
+
+
+    }
 }
-- 
1.7.10.2