From: kiramt <k.mourao@dundee.ac.uk>
Date: Thu, 17 Aug 2017 10:23:51 +0000 (+0100)
Subject: JAL-2665 partial fix for selection running over 2 wrapped panels
X-Git-Tag: Release_2_10_3b1~140^2~11
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=f3e508a23709b6737c0233d739a78a5097c84569;p=jalview.git

JAL-2665 partial fix for selection running over 2 wrapped panels
---

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 0b0166b..bd214f5 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -683,6 +683,52 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
     }
   }
 
+  public void drawWrappedSelection(Graphics2D g, SequenceGroup group,
+          int canvasWidth,
+          int canvasHeight, int startRes)
+  {
+    int hgap = charHeight;
+    if (av.getScaleAboveWrapped())
+    {
+      hgap += charHeight;
+    }
+
+    int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth;
+    int cHeight = av.getAlignment().getHeight() * charHeight;
+
+    int endx;
+    int ypos = hgap;
+    int maxwidth = av.getAlignment().getWidth();
+
+    if (av.hasHiddenColumns())
+    {
+      maxwidth = av.getAlignment().getHiddenColumns()
+              .findColumnPosition(maxwidth);
+    }
+
+    while ((ypos <= canvasHeight) && (startRes < maxwidth))
+    {
+      endx = startRes + cWidth - 1;
+
+      if (endx > maxwidth)
+      {
+        endx = maxwidth;
+      }
+
+      g.translate(LABEL_WEST, 0);
+
+      drawUnwrappedSelection(g, group, startRes, endx, 0,
+              av.getAlignment().getHeight() - 1,
+              ypos);
+
+      g.translate(-LABEL_WEST, 0);
+
+      ypos += cHeight + getAnnotationHeight() + hgap;
+
+      startRes += cWidth;
+    }
+  }
+
   AnnotationPanel annotations;
 
   int getAnnotationHeight()
@@ -1053,15 +1099,15 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
       return null;
     }
     
-    if (!av.getWrapAlignment())
+    /*if (!av.getWrapAlignment())
     {
       LABEL_EAST = 0;
       LABEL_WEST = 0;
-    }
+    }*/
 
     // set up drawing colour
     Graphics2D g = (Graphics2D) selectionImage.getGraphics();
-    g.translate(LABEL_WEST, 0);
+    // g.translate(LABEL_WEST, 0);
     // set background to transparent
     g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
     g.fillRect(0, 0, selectionImage.getWidth(), selectionImage.getHeight());
@@ -1072,9 +1118,28 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
     { 5f, 3f }, 0f));
     g.setColor(Color.RED);
 
+    if (!av.getWrapAlignment())
+    {
+      drawUnwrappedSelection(g, group, startRes, endRes, startSeq, endSeq,
+              0);
+    }
+    else
+    {
+      drawWrappedSelection(g, group, getWidth(), getHeight(),
+              av.getRanges().getStartRes());
+    }
+
+    g.dispose();
+    return selectionImage;
+  }
+
+  private void drawUnwrappedSelection(Graphics2D g, SequenceGroup group,
+          int startRes, int endRes, int startSeq, int endSeq, int offset)
+  {
     if (!av.hasHiddenColumns())
     {
-      drawSelectionGroupPart(g, group, startRes, endRes, startSeq, endSeq);
+      drawSelectionGroupPart(g, group, startRes, endRes, startSeq, endSeq,
+              offset);
     }
     else
     {
@@ -1100,7 +1165,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
         g.translate(screenY * charWidth, 0);
 
         drawSelectionGroupPart(g, group,
-                blockStart, blockEnd, startSeq, endSeq);
+                blockStart, blockEnd, startSeq, endSeq, offset);
 
         g.translate(-screenY * charWidth, 0);
         screenY += blockEnd - blockStart + 1;
@@ -1119,24 +1184,23 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
         blockEnd = blockStart + (endRes - startRes) - screenY;
         g.translate(screenY * charWidth, 0);
         drawSelectionGroupPart(g, group,
-                blockStart, blockEnd, startSeq, endSeq);
+                blockStart, blockEnd, startSeq, endSeq, offset);
         
         g.translate(-screenY * charWidth, 0);
       }
     }
-    g.translate(-LABEL_WEST, 0);
-    g.dispose();
-    return selectionImage;
+    // g.translate(-LABEL_WEST, 0);
   }
 
   /*
    * Draw the selection group as a separate image and overlay
    */
   private void drawSelectionGroupPart(Graphics2D g, SequenceGroup group,
-          int startRes, int endRes, int startSeq, int endSeq)
+          int startRes, int endRes, int startSeq, int endSeq,
+          int verticalOffset)
   {
     // set up values in case the alignment is wrapped
-    int verticalOffset = 0;
+    /*int verticalOffset = 0;
     int horizontalOffset = 0;
     if (av.getWrapAlignment())
     {
@@ -1155,11 +1219,11 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
       // vertical offset is increased by slice number * number of sequences * height of each sequence
       verticalOffset = slice * (av.getAlignment().getHeight() * charHeight
               + getAnnotationHeight() + hgap) + hgap;
-
+    
       // horizontal offset is number of residues to subtract from group residue
       // position
       horizontalOffset = (slice * cWidth);
-    }
+    }*/
 
     int visWidth = (endRes - startRes + 1) * charWidth;
 
@@ -1174,10 +1238,10 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
     int ex = -1;
 
     // position of start residue of group relative to startRes, in pixels
-    sx = (group.getStartRes() - startRes - horizontalOffset) * charWidth;
+    sx = (group.getStartRes() - startRes) * charWidth;
 
     // width of group in pixels
-    ex = (((group.getEndRes() + 1) - group.getStartRes() - horizontalOffset)
+    ex = (((group.getEndRes() + 1) - group.getStartRes())
             * charWidth) - 1;
 
     for (i = startSeq; i <= endSeq; i++)
diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 25fce62..5dbd778 100644
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -1947,8 +1947,6 @@ public class SeqPanel extends JPanel implements MouseListener,
     {
       scrollThread.setEvent(evt);
     }
-
-    // seqCanvas.repaint();
   }
 
   void scrollCanvas(MouseEvent evt)